#1F82E2
Closest named color: Water Blue (#0E87CC). oklch(60.3% 0.169 252.6), rgb(31, 130, 226).
Aa
Black text reads best on this color (5.34:1).
About this color
#1F82E2 is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.169 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Water Blue (#0E87CC), ΔE 0.039 away. Black text reads best on it, at 5.34:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.169) |
| Temperature | cool |
| Nearest name | Water Blue (#0E87CC) |
| Black text | 5.34:1 |
| White text | 3.92:1 |
Values
| HEX | #1F82E2 |
| RGB | rgb(31, 130, 226) |
| HSL | hsl(210, 77%, 50%) |
| OKLCH | oklch(60.3% 0.169 252.6) |
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 #1F82E2 | 3.92:1 | AA large text | Lc -71.6 | Content text, not long reading |
| Black text on #1F82E2 | 5.34:1 | AA | Lc 38.0 | Non-text elements, placeholder text |
| #1F82E2 text on white | 3.92:1 | AA large text | Lc 66.1 | Content text, not long reading |
| #1F82E2 text on black | 5.34:1 | AA | Lc -35.6 | 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
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DFEBFA
oklch(93.6% 0.024 254)
-
Step 200
200
#C4DCF7
oklch(88.5% 0.045 251.4)
-
Step 300
300
#9AC4F5
oklch(80.8% 0.083 252.7)
-
Step 400
400
#60A4F1
oklch(70.7% 0.133 252.8)
-
Step 500
500 (this color)
#1F82E2
oklch(60.3% 0.169 252.6)
-
Step 600
600
#0073D2
oklch(55.5% 0.17 252.7)
-
Step 700
700
#0061B2
oklch(49.2% 0.149 252.5)
-
Step 800
800
#004F93
oklch(42.7% 0.13 252.6)
-
Step 900
900
#06427A
oklch(37.8% 0.11 252.7)
-
Step 950
950
#082747
oklch(27% 0.069 252.5)
#1F82E2 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) | #508AE6 | 0.043 |
| Deuteranopia (no green cones) | #2B79E0 | 0.023 |
| Tritanopia (no blue cones) | #0099A7 | 0.125 |
| Achromatopsia (no color) | #808080 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F82E2
#1F82E2
oklch(60.3% 0.169 252.6)
- #AF7200
#AF7200
oklch(60.2% 0.129 72.3)
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 #1F82E2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Water Blue #0E87CC ΔE 0.039
- Dark Sky Blue #448EE4 ΔE 0.043
- Clear Blue #247AFD ΔE 0.048
- Dodger Blue #1E90FF ΔE 0.053
- Windows Blue #3778BF ΔE 0.055
- Cerulean Blue #056EEE ΔE 0.059
- Soft Blue #6488EA ΔE 0.061
- Chefchaouen Blue #4895EF ΔE 0.063
Use #1F82E2 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.