#515B95
Closest named color: Dusky Blue (#475F94). oklch(48.9% 0.094 275), rgb(81, 91, 149).
Aa
White text reads best on this color (6.40:1).
About this color
#515B95 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 49%, its chroma 0.094 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.017 away. White text reads best on it, at 6.40:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.28:1 |
| White text | 6.40:1 |
Values
| HEX | #515B95 |
| RGB | rgb(81, 91, 149) |
| HSL | hsl(231, 30%, 45%) |
| OKLCH | oklch(48.9% 0.094 275) |
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 #515B95 | 6.40:1 | AA | Lc -86.8 | Fine for body text |
| Black text on #515B95 | 3.28:1 | AA large text | Lc 22.3 | Dividers and decoration only |
| #515B95 text on white | 6.40:1 | AA | Lc 81.7 | Fine for body text |
| #515B95 text on black | 3.28:1 | AA large text | Lc -20.2 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F3
oklch(93.5% 0.014 277.1)
-
Step 200
200
#D4D8EA
oklch(88.5% 0.025 275.9)
-
Step 300
300
#B8BFDF
oklch(81% 0.046 275.6)
-
Step 400
400
#939DCE
oklch(70.6% 0.073 275.4)
-
Step 500
500
#7985C2
oklch(63.2% 0.093 274.9)
-
Step 600
600
#626EAE
oklch(55.6% 0.1 274.6)
-
Step 700
700 (this color)
#515B95
oklch(48.9% 0.094 275)
-
Step 800
800
#434B79
oklch(42.7% 0.077 275.2)
-
Step 900
900
#383F62
oklch(37.8% 0.061 274.5)
-
Step 950
950
#212539
oklch(27% 0.038 274.9)
#515B95 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) | #466297 | 0.022 |
| Deuteranopia (no green cones) | #405C94 | 0.022 |
| Tritanopia (no blue cones) | #396771 | 0.083 |
| Achromatopsia (no color) | #5F5F5F | 0.094 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #515B95
#515B95
oklch(48.9% 0.094 275)
- #715F11
#715F11
oklch(48.9% 0.094 95)
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 #515B95, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.017
- Denim Blue #3B5B92 ΔE 0.029
- Twilight #4E518B ΔE 0.031
- Dusk #4E5481 ΔE 0.035
- Denim #3B638C ΔE 0.039
- Light Navy Blue #2E5A88 ΔE 0.049
- Dusty Grape #545775 ΔE 0.051
- French Blue #436BAD ΔE 0.053
Use #515B95 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.