#1F80EA
Closest named color: Clear Blue (#247AFD). oklch(60.4% 0.181 254.8), rgb(31, 128, 234).
Aa
Black text reads best on this color (5.33:1).
About this color
#1F80EA is a medium-dark, vivid blue. In OKLCH its lightness is 60%, its chroma 0.181 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.034 away. Black text reads best on it, at 5.33:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.181) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.33:1 |
| White text | 3.93:1 |
Values
| HEX | #1F80EA |
| RGB | rgb(31, 128, 234) |
| HSL | hsl(211, 83%, 52%) |
| OKLCH | oklch(60.4% 0.181 254.8) |
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 #1F80EA | 3.93:1 | AA large text | Lc -71.7 | Content text, not long reading |
| Black text on #1F80EA | 5.33:1 | AA | Lc 37.9 | Non-text elements, placeholder text |
| #1F80EA text on white | 3.93:1 | AA large text | Lc 66.2 | Content text, not long reading |
| #1F80EA text on black | 5.33:1 | AA | Lc -35.5 | 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
#F0F6FE
oklch(97.1% 0.012 255.5)
-
Step 100
100
#DFEBFB
oklch(93.6% 0.025 255.6)
-
Step 200
200
#C4DBFA
oklch(88.4% 0.05 255.9)
-
Step 300
300
#9AC4F9
oklch(80.9% 0.088 254.5)
-
Step 400
400
#5FA3F7
oklch(70.7% 0.142 254.7)
-
Step 500
500 (this color)
#1F80EA
oklch(60.4% 0.181 254.8)
-
Step 600
600
#0071DA
oklch(55.6% 0.182 254.8)
-
Step 700
700
#005FB9
oklch(49.2% 0.161 254.8)
-
Step 800
800
#004D99
oklch(42.7% 0.14 255)
-
Step 900
900
#05407E
oklch(37.6% 0.119 255)
-
Step 950
950
#08264A
oklch(26.9% 0.075 255.4)
#1F80EA 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) | #468AEE | 0.040 |
| Deuteranopia (no green cones) | #0B78E8 | 0.023 |
| Tritanopia (no blue cones) | #009AA9 | 0.137 |
| Achromatopsia (no color) | #808080 | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F80EA
#1F80EA
oklch(60.4% 0.181 254.8)
- #AD7400
#AD7400
oklch(60.3% 0.127 74.8)
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 #1F80EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.034
- Dark Sky Blue #448EE4 ΔE 0.049
- Cerulean Blue #056EEE ΔE 0.049
- Dodger Blue #1E90FF ΔE 0.049
- Water Blue #0E87CC ΔE 0.053
- Royal Blue #4169E1 ΔE 0.058
- Soft Blue #6488EA ΔE 0.062
- Windows Blue #3778BF ΔE 0.066
Use #1F80EA 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.