#508CF9
Closest named color: Soft Blue (#6488EA). oklch(65.4% 0.174 261.3), rgb(80, 140, 249).
Aa
Black text reads best on this color (6.46:1).
About this color
#508CF9 is a medium-light, vivid blue. In OKLCH its lightness is 65%, its chroma 0.174 and its hue 261°. Its hue sits on the cool side of the wheel. The nearest named color is Soft Blue (#6488EA), ΔE 0.028 away. Black text reads best on it, at 6.46:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.174) |
| Temperature | cool |
| Nearest name | Soft Blue (#6488EA) |
| Black text | 6.46:1 |
| White text | 3.25:1 |
Values
| HEX | #508CF9 |
| RGB | rgb(80, 140, 249) |
| HSL | hsl(219, 93%, 65%) |
| OKLCH | oklch(65.4% 0.174 261.3) |
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 #508CF9 | 3.25:1 | AA large text | Lc -64.9 | Content text, not long reading |
| Black text on #508CF9 | 6.46:1 | AA | Lc 44.6 | Non-text elements, placeholder text |
| #508CF9 text on white | 3.25:1 | AA large text | Lc 59.5 | Large or bold text, headings |
| #508CF9 text on black | 6.46:1 | AA | Lc -42.3 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EAFB
oklch(93.5% 0.025 263.3)
-
Step 200
200
#C8DAF9
oklch(88.5% 0.047 261.4)
-
Step 300
300
#A2C2F8
oklch(81% 0.084 260.7)
-
Step 400
400
#6FA0F5
oklch(70.8% 0.136 260.8)
-
Step 500
500 (this color)
#508CF9
oklch(65.4% 0.174 261.3)
-
Step 600
600
#2C6BE0
oklch(55.5% 0.19 261.4)
-
Step 700
700
#1F59C2
oklch(49.1% 0.175 261.2)
-
Step 800
800
#1B499D
oklch(42.6% 0.146 261.2)
-
Step 900
900
#1C3E7D
oklch(37.6% 0.114 261.4)
-
Step 950
950
#112549
oklch(27% 0.072 261.1)
#508CF9 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) | #5797FD | 0.030 |
| Deuteranopia (no green cones) | #3887F7 | 0.025 |
| Tritanopia (no blue cones) | #00A5B6 | 0.141 |
| Achromatopsia (no color) | #8F8F8F | 0.174 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #508CF9
#508CF9
oklch(65.4% 0.174 261.3)
- #BA8600
#BA8600
oklch(65.4% 0.135 81.1)
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 #508CF9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Soft Blue #6488EA ΔE 0.028
- Dodger Blue #1E90FF ΔE 0.030
- Chefchaouen Blue #4895EF ΔE 0.030
- Dark Sky Blue #448EE4 ΔE 0.035
- Cornflower Blue #6495ED ΔE 0.039
- Cornflower #6A79F7 ΔE 0.050
- Clear Blue #247AFD ΔE 0.061
- Lavender Blue #8B88F8 ΔE 0.068
Use #508CF9 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.