#508CC0
Closest named color: Faded Blue (#658CBB). oklch(62.2% 0.101 246.5), rgb(80, 140, 192).
Aa
Black text reads best on this color (5.85:1).
About this color
#508CC0 is a medium-light, moderately saturated blue. In OKLCH its lightness is 62%, its chroma 0.101 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.023 away. Black text reads best on it, at 5.85:1.
| Hue family | Blues |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 5.85:1 |
| White text | 3.58:1 |
Values
| HEX | #508CC0 |
| RGB | rgb(80, 140, 192) |
| HSL | hsl(208, 47%, 53%) |
| OKLCH | oklch(62.2% 0.101 246.5) |
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 #508CC0 | 3.58:1 | AA large text | Lc -68.8 | Content text, not long reading |
| Black text on #508CC0 | 5.85:1 | AA | Lc 40.8 | Non-text elements, placeholder text |
| #508CC0 text on white | 3.58:1 | AA large text | Lc 63.3 | Content text, not long reading |
| #508CC0 text on black | 5.85:1 | AA | Lc -38.4 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF3
oklch(93.6% 0.015 244.7)
-
Step 200
200
#CBDBEB
oklch(88.4% 0.028 248.1)
-
Step 300
300
#A7C4DF
oklch(80.8% 0.05 246.5)
-
Step 400
400
#78A6CF
oklch(70.8% 0.078 246.1)
-
Step 500
500 (this color)
#508CC0
oklch(62.2% 0.101 246.5)
-
Step 600
600
#3578B0
oklch(55.6% 0.111 246.8)
-
Step 700
700
#276597
oklch(49.1% 0.102 246.4)
-
Step 800
800
#22527A
oklch(42.5% 0.084 246.7)
-
Step 900
900
#214462
oklch(37.5% 0.066 246.6)
-
Step 950
950
#14283A
oklch(26.9% 0.043 247.2)
#508CC0 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) | #768DC2 | 0.043 |
| Deuteranopia (no green cones) | #6782BF | 0.034 |
| Tritanopia (no blue cones) | #00989E | 0.082 |
| Achromatopsia (no color) | #878787 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #508CC0
#508CC0
oklch(62.2% 0.101 246.5)
- #B07A3F
#B07A3F
oklch(62.3% 0.101 66.4)
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 #508CC0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.023
- Cool Blue #4984B8 ΔE 0.026
- Dusty Blue #5A86AD ΔE 0.030
- Off Blue #5684AE ΔE 0.031
- Steel Blue #4682B4 ΔE 0.034
- Blue NCS #118AB2 ΔE 0.046
- Water Blue #0E87CC ΔE 0.047
- Dark Sky Blue #448EE4 ΔE 0.054
Use #508CC0 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.