#508CFF
Closest named color: Dodger Blue (#1E90FF). oklch(65.7% 0.182 261.9), rgb(80, 140, 255).
Aa
Black text reads best on this color (6.53:1).
About this color
#508CFF is a medium-light, vivid blue. In OKLCH its lightness is 66%, its chroma 0.182 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 6.53:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.182) |
| Temperature | cool |
| Nearest name | Dodger Blue (#1E90FF) |
| Black text | 6.53:1 |
| White text | 3.21:1 |
Values
| HEX | #508CFF |
| RGB | rgb(80, 140, 255) |
| HSL | hsl(219, 100%, 66%) |
| OKLCH | oklch(65.7% 0.182 261.9) |
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 #508CFF | 3.21:1 | AA large text | Lc -64.4 | Content text, not long reading |
| Black text on #508CFF | 6.53:1 | AA | Lc 45.1 | Large or bold text, headings |
| #508CFF text on white | 3.21:1 | AA large text | Lc 59.0 | Large or bold text, headings |
| #508CFF text on black | 6.53:1 | 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
#C8DAFB
oklch(88.5% 0.05 262.6)
-
Step 300
300
#A1C1FB
oklch(80.8% 0.09 262.1)
-
Step 400
400
#6E9FF9
oklch(70.7% 0.143 261.7)
-
Step 500
500 (this color)
#508CFF
oklch(65.7% 0.182 261.9)
-
Step 600
600
#2B6AE5
oklch(55.7% 0.198 261.9)
-
Step 700
700
#1E57C7
oklch(49.1% 0.185 262)
-
Step 800
800
#1B48A1
oklch(42.7% 0.153 262)
-
Step 900
900
#1B3D7F
oklch(37.5% 0.119 261.9)
-
Step 950
950
#11254B
oklch(27.1% 0.075 261.8)
#508CFF 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 | 0.032 |
| Deuteranopia (no green cones) | #2E88FD | 0.029 |
| Tritanopia (no blue cones) | #00A7B9 | 0.147 |
| Achromatopsia (no color) | #909090 | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #508CFF
#508CFF
oklch(65.7% 0.182 261.9)
- #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 #508CFF, 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 0.035
- Chefchaouen Blue #4895EF ΔE 0.037
- Dark Sky Blue #448EE4 ΔE 0.044
- Cornflower Blue #6495ED ΔE 0.044
- Cornflower #6A79F7 ΔE 0.050
- Clear Blue #247AFD ΔE 0.060
- Lavender Blue #8B88F8 ΔE 0.068
Use #508CFF 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.