#1F82FF
Closest named color: Clear Blue (#247AFD). oklch(62.3% 0.205 257.2), rgb(31, 130, 255).
Aa
Black text reads best on this color (5.69:1).
About this color
#1F82FF is a medium-light, vivid blue. In OKLCH its lightness is 62%, its chroma 0.205 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.020 away. Black text reads best on it, at 5.69:1.
| Hue family | Blues |
| Lightness | medium-light (62%) |
| Chroma | vivid (0.205) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.69:1 |
| White text | 3.68:1 |
Values
| HEX | #1F82FF |
| RGB | rgb(31, 130, 255) |
| HSL | hsl(213, 100%, 56%) |
| OKLCH | oklch(62.3% 0.205 257.2) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #1F82FF | 3.68:1 | AA large text | Lc -69.3 | Content text, not long reading |
| Black text on #1F82FF | 5.69:1 | AA | Lc 40.3 | Non-text elements, placeholder text |
| #1F82FF text on white | 3.68:1 | AA large text | Lc 63.8 | Content text, not long reading |
| #1F82FF text on black | 5.69:1 | AA | Lc -37.9 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F0F6FF
oklch(97.1% 0.014 258.3)
-
Step 100
100
#DEEBFE
oklch(93.6% 0.029 257.8)
-
Step 200
200
#C2DBFF
oklch(88.5% 0.057 257.5)
-
Step 300
300
#99C3FF
oklch(80.9% 0.097 257.3)
-
Step 400
400
#5EA1FF
oklch(70.7% 0.154 257.1)
-
Step 500
500 (this color)
#1F82FF
oklch(62.3% 0.205 257.2)
-
Step 600
600
#006DE4
oklch(55.5% 0.199 257.3)
-
Step 700
700
#005CC1
oklch(49.2% 0.175 257.1)
-
Step 800
800
#004BA0
oklch(42.8% 0.152 257.1)
-
Step 900
900
#013E86
oklch(37.7% 0.133 257.1)
-
Step 950
950
#06254F
oklch(27% 0.085 257.4)
#1F82FF with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #328FFF | 0.037 |
| Deuteranopia (no green cones) | #007CFD | 0.019 |
| Tritanopia (no blue cones) | #00A1B4 | 0.157 |
| Achromatopsia (no color) | #858585 | 0.206 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F82FF
#1F82FF
oklch(62.3% 0.205 257.2)
- #B27B00
#B27B00
oklch(62.3% 0.13 77.4)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1F82FF, closest first.
No curated palette has a color within ΔE 0.04 of #1F82FF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.020
- Dodger Blue #1E90FF ΔE 0.036
- Cerulean Blue #056EEE ΔE 0.057
- Dark Sky Blue #448EE4 ΔE 0.060
- Cornflower #6A79F7 ΔE 0.062
- Soft Blue #6488EA ΔE 0.065
- Chefchaouen Blue #4895EF ΔE 0.066
- Royal Blue #4169E1 ΔE 0.072
Use #1F82FF in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.