#515794
Closest named color: Twilight (#4E518B). oklch(48% 0.098 277.8), rgb(81, 87, 148).
Aa
White text reads best on this color (6.68:1).
About this color
#515794 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.098 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.021 away. White text reads best on it, at 6.68:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.14:1 |
| White text | 6.68:1 |
Values
| HEX | #515794 |
| RGB | rgb(81, 87, 148) |
| HSL | hsl(235, 29%, 45%) |
| OKLCH | oklch(48% 0.098 277.8) |
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 #515794 | 6.68:1 | AA | Lc -87.9 | Fine for body text |
| Black text on #515794 | 3.14:1 | AA large text | Lc 21.1 | Dividers and decoration only |
| #515794 text on white | 6.68:1 | AA | Lc 82.9 | Fine for body text |
| #515794 text on black | 3.14:1 | AA large text | Lc -19.0 | 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
#D4D8EB
oklch(88.5% 0.026 276.4)
-
Step 300
300
#B9BEE0
oklch(80.9% 0.048 278.7)
-
Step 400
400
#959CD0
oklch(70.6% 0.076 278.3)
-
Step 500
500
#7B83C4
oklch(63% 0.098 277.8)
-
Step 600
600
#656CB0
oklch(55.6% 0.105 277.9)
-
Step 700
700 (this color)
#515794
oklch(48% 0.098 277.8)
-
Step 800
800
#454A7B
oklch(42.8% 0.081 278)
-
Step 900
900
#3A3E63
oklch(37.8% 0.063 278.2)
-
Step 950
950
#22243A
oklch(26.9% 0.041 279.3)
#515794 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) | #415F96 | 0.028 |
| Deuteranopia (no green cones) | #3C5A93 | 0.028 |
| Tritanopia (no blue cones) | #3B636E | 0.085 |
| Achromatopsia (no color) | #5C5C5C | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #515794
#515794
oklch(48% 0.098 277.8)
- #6D5D03
#6D5D03
oklch(48% 0.098 97.3)
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 #515794, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.021
- Dusky Blue #475F94 ΔE 0.025
- Denim Blue #3B5B92 ΔE 0.030
- Dusk #4E5481 ΔE 0.031
- Denim #3B638C ΔE 0.046
- Light Navy Blue #2E5A88 ΔE 0.049
- Dusty Grape #545775 ΔE 0.051
- Dusk Blue #26538D ΔE 0.056
Use #515794 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.