#515898
Closest named color: Dusky Blue (#475F94). oklch(48.5% 0.102 277.1), rgb(81, 88, 152).
Aa
White text reads best on this color (6.56:1).
About this color
#515898 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.102 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.025 away. White text reads best on it, at 6.56:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.19:1 |
| White text | 6.56:1 |
Values
| HEX | #515898 |
| RGB | rgb(81, 88, 152) |
| HSL | hsl(234, 30%, 46%) |
| OKLCH | oklch(48.5% 0.102 277.1) |
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 #515898 | 6.56:1 | AA | Lc -87.5 | Fine for body text |
| Black text on #515898 | 3.19:1 | AA large text | Lc 21.7 | Dividers and decoration only |
| #515898 text on white | 6.56:1 | AA | Lc 82.4 | Fine for body text |
| #515898 text on black | 3.19:1 | AA large text | Lc -19.5 | 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
#E7E9F4
oklch(93.6% 0.015 277.8)
-
Step 200
200
#D4D8EC
oklch(88.5% 0.028 276.8)
-
Step 300
300
#B8BEE1
oklch(80.8% 0.05 277.6)
-
Step 400
400
#949CD2
oklch(70.6% 0.079 277.6)
-
Step 500
500
#7A83C6
oklch(63% 0.101 277.2)
-
Step 600
600
#646CB3
oklch(55.6% 0.11 277.3)
-
Step 700
700 (this color)
#515898
oklch(48.5% 0.102 277.1)
-
Step 800
800
#444A7D
oklch(42.8% 0.084 277.1)
-
Step 900
900
#393E64
oklch(37.7% 0.065 277.1)
-
Step 950
950
#21243B
oklch(26.9% 0.043 277.4)
#515898 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) | #40609A | 0.029 |
| Deuteranopia (no green cones) | #3A5B97 | 0.030 |
| Tritanopia (no blue cones) | #386570 | 0.091 |
| Achromatopsia (no color) | #5D5D5D | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #515898
#515898
oklch(48.5% 0.102 277.1)
- #6F5E00
#6F5E00
oklch(48.4% 0.1 96.8)
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 #515898, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.025
- Twilight #4E518B ΔE 0.027
- Denim Blue #3B5B92 ΔE 0.031
- Dusk #4E5481 ΔE 0.038
- Denim #3B638C ΔE 0.048
- Light Navy Blue #2E5A88 ΔE 0.052
- French Blue #436BAD ΔE 0.057
- Dusty Grape #545775 ΔE 0.057
Use #515898 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.