#508CFE
Closest named color: Dodger Blue (#1E90FF). oklch(65.7% 0.181 261.8), rgb(80, 140, 254).
Aa
Black text reads best on this color (6.52:1).
About this color
#508CFE is a medium-light, vivid blue. In OKLCH its lightness is 66%, its chroma 0.181 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Dodger Blue (#1E90FF), ΔE 0.030 away. Black text reads best on it, at 6.52:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.181) |
| Temperature | cool |
| Nearest name | Dodger Blue (#1E90FF) |
| Black text | 6.52:1 |
| White text | 3.21:1 |
Values
| HEX | #508CFE |
| RGB | rgb(80, 140, 254) |
| HSL | hsl(219, 99%, 65%) |
| OKLCH | oklch(65.7% 0.181 261.8) |
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 #508CFE | 3.21:1 | AA large text | Lc -64.5 | Content text, not long reading |
| Black text on #508CFE | 6.52:1 | AA | Lc 45.0 | Non-text elements, placeholder text |
| #508CFE text on white | 3.21:1 | AA large text | Lc 59.1 | Large or bold text, headings |
| #508CFE text on black | 6.52:1 | AA | Lc -42.7 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFC
oklch(93.6% 0.026 264.4)
-
Step 200
200
#C8DAFA
oklch(88.5% 0.048 262)
-
Step 300
300
#A1C1FA
oklch(80.8% 0.088 261.8)
-
Step 400
400
#6F9FF8
oklch(70.7% 0.141 261.9)
-
Step 500
500 (this color)
#508CFE
oklch(65.7% 0.181 261.8)
-
Step 600
600
#2B6AE4
oklch(55.6% 0.197 261.8)
-
Step 700
700
#1E57C6
oklch(49% 0.183 261.9)
-
Step 800
800
#1B48A0
oklch(42.6% 0.151 261.9)
-
Step 900
900
#1C3E7F
oklch(37.8% 0.117 261.8)
-
Step 950
950
#11254A
oklch(27.1% 0.074 261.5)
#508CFE 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) | #5298FF | 0.031 |
| Deuteranopia (no green cones) | #3088FC | 0.028 |
| Tritanopia (no blue cones) | #00A7B9 | 0.146 |
| Achromatopsia (no color) | #8F8F8F | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #508CFE
#508CFE
oklch(65.7% 0.181 261.8)
- #BA8700
#BA8700
oklch(65.6% 0.135 81.8)
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 #508CFE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dodger Blue #1E90FF ΔE 0.030
- Soft Blue #6488EA ΔE 0.034
- Chefchaouen Blue #4895EF ΔE 0.035
- Dark Sky Blue #448EE4 ΔE 0.042
- Cornflower Blue #6495ED ΔE 0.043
- Cornflower #6A79F7 ΔE 0.050
- Clear Blue #247AFD ΔE 0.060
- Lavender Blue #8B88F8 ΔE 0.068
Use #508CFE 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.