#515697
Closest named color: Twilight (#4E518B). oklch(48% 0.104 278.4), rgb(81, 86, 151).
Aa
White text reads best on this color (6.71:1).
About this color
#515697 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 48%, its chroma 0.104 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.023 away. White text reads best on it, at 6.71:1.
| Hue family | Blues |
| Lightness | medium-dark (48%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 3.12:1 |
| White text | 6.71:1 |
Values
| HEX | #515697 |
| RGB | rgb(81, 86, 151) |
| HSL | hsl(236, 30%, 45%) |
| OKLCH | oklch(48% 0.104 278.4) |
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 #515697 | 6.71:1 | AA | Lc -88.0 | Fine for body text |
| Black text on #515697 | 3.12:1 | AA large text | Lc 21.0 | Dividers and decoration only |
| #515697 text on white | 6.71:1 | AA | Lc 83.0 | Fine for body text |
| #515697 text on black | 3.12:1 | AA large text | Lc -18.9 | 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
#B9BEE1
oklch(80.9% 0.05 278.8)
-
Step 400
400
#959CD3
oklch(70.8% 0.081 278.5)
-
Step 500
500
#7B83C7
oklch(63.1% 0.102 277.9)
-
Step 600
600
#656BB4
oklch(55.6% 0.113 278.5)
-
Step 700
700 (this color)
#515697
oklch(48% 0.104 278.4)
-
Step 800
800
#45497D
oklch(42.7% 0.086 278.8)
-
Step 900
900
#3A3D65
oklch(37.6% 0.068 279.3)
-
Step 950
950
#22243B
oklch(27% 0.043 279.3)
#515697 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) | #3D5F99 | 0.033 |
| Deuteranopia (no green cones) | #385996 | 0.032 |
| Tritanopia (no blue cones) | #39636F | 0.090 |
| Achromatopsia (no color) | #5C5C5C | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #515697
#515697
oklch(48% 0.104 278.4)
- #6C5D00
#6C5D00
oklch(47.8% 0.099 98.2)
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 #515697, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.023
- Dusky Blue #475F94 ΔE 0.029
- Denim Blue #3B5B92 ΔE 0.032
- Dusk #4E5481 ΔE 0.036
- Denim #3B638C ΔE 0.051
- Light Navy Blue #2E5A88 ΔE 0.052
- Dusk Blue #26538D ΔE 0.057
- Dusty Grape #545775 ΔE 0.057
Use #515697 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.