#515F95
Closest named color: Dusky Blue (#475F94). oklch(49.8% 0.088 271.8), rgb(81, 95, 149).
Aa
White text reads best on this color (6.13:1).
About this color
#515F95 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 50%, its chroma 0.088 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.013 away. White text reads best on it, at 6.13:1.
| Hue family | Blues |
| Lightness | medium-dark (50%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.42:1 |
| White text | 6.13:1 |
Values
| HEX | #515F95 |
| RGB | rgb(81, 95, 149) |
| HSL | hsl(228, 30%, 45%) |
| OKLCH | oklch(49.8% 0.088 271.8) |
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 #515F95 | 6.13:1 | AA | Lc -85.7 | Fine for body text |
| Black text on #515F95 | 3.42:1 | AA large text | Lc 23.5 | Dividers and decoration only |
| #515F95 text on white | 6.13:1 | AA | Lc 80.6 | Fine for body text |
| #515F95 text on black | 3.42:1 | AA large text | Lc -21.3 | Dividers and decoration only |
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 700.
-
Step 50
50
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7EAF2
oklch(93.7% 0.011 269.5)
-
Step 200
200
#D3D9E9
oklch(88.6% 0.023 269.4)
-
Step 300
300
#B7C0DD
oklch(81% 0.042 271.8)
-
Step 400
400
#919FCC
oklch(70.8% 0.068 271.2)
-
Step 500
500
#7786BF
oklch(63.1% 0.088 272.4)
-
Step 600
600
#606FAB
oklch(55.6% 0.095 272.3)
-
Step 700
700 (this color)
#515F95
oklch(49.8% 0.088 271.8)
-
Step 800
800
#414C77
oklch(42.7% 0.073 272.1)
-
Step 900
900
#374060
oklch(37.8% 0.056 271.5)
-
Step 950
950
#202538
oklch(26.9% 0.036 272.4)
#515F95 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) | #4C6597 | 0.017 |
| Deuteranopia (no green cones) | #455F94 | 0.016 |
| Tritanopia (no blue cones) | #396A73 | 0.078 |
| Achromatopsia (no color) | #626262 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #515F95
#515F95
oklch(49.8% 0.088 271.8)
- #75611D
#75611D
oklch(49.9% 0.089 92.1)
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 #515F95, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.013
- Denim Blue #3B5B92 ΔE 0.032
- Denim #3B638C ΔE 0.034
- Twilight #4E518B ΔE 0.041
- Dusk #4E5481 ΔE 0.041
- French Blue #436BAD ΔE 0.046
- Light Navy Blue #2E5A88 ΔE 0.051
- Dusty Grape #545775 ΔE 0.052
Use #515F95 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.