#508EBF
Closest named color: Faded Blue (#658CBB). oklch(62.6% 0.098 244.2), rgb(80, 142, 191).
Aa
Black text reads best on this color (5.96:1).
About this color
#508EBF is a medium-light, moderately saturated blue. In OKLCH its lightness is 63%, its chroma 0.098 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.021 away. Black text reads best on it, at 5.96:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 5.96:1 |
| White text | 3.52:1 |
Values
| HEX | #508EBF |
| RGB | rgb(80, 142, 191) |
| HSL | hsl(206, 46%, 53%) |
| OKLCH | oklch(62.6% 0.098 244.2) |
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 #508EBF | 3.52:1 | AA large text | Lc -68.1 | Content text, not long reading |
| Black text on #508EBF | 5.96:1 | AA | Lc 41.4 | Non-text elements, placeholder text |
| #508EBF text on white | 3.52:1 | AA large text | Lc 62.6 | Content text, not long reading |
| #508EBF text on black | 5.96:1 | AA | Lc -39.1 | 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
#CBDCEA
oklch(88.6% 0.027 242.8)
-
Step 300
300
#A7C5DE
oklch(81% 0.048 243.5)
-
Step 400
400
#77A6CE
oklch(70.7% 0.078 244.9)
-
Step 500
500 (this color)
#508EBF
oklch(62.6% 0.098 244.2)
-
Step 600
600
#3379AD
oklch(55.6% 0.107 244)
-
Step 700
700
#256695
oklch(49.2% 0.1 244)
-
Step 800
800
#215379
oklch(42.7% 0.083 244.6)
-
Step 900
900
#214561
oklch(37.7% 0.064 244.1)
-
Step 950
950
#142839
oklch(26.9% 0.041 245.8)
#508EBF 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) | #798FC1 | 0.047 |
| Deuteranopia (no green cones) | #6A84BE | 0.037 |
| Tritanopia (no blue cones) | #009A9F | 0.079 |
| Achromatopsia (no color) | #888888 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #508EBF
#508EBF
oklch(62.6% 0.098 244.2)
- #B17A44
#B17A44
oklch(62.5% 0.098 63.8)
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 #508EBF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.021
- Cool Blue #4984B8 ΔE 0.030
- Dusty Blue #5A86AD ΔE 0.031
- Off Blue #5684AE ΔE 0.033
- Steel Blue #4682B4 ΔE 0.038
- Blue NCS #118AB2 ΔE 0.047
- Water Blue #0E87CC ΔE 0.050
- Silver Lake Blue #778DA9 ΔE 0.052
Use #508EBF 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.