#5E6599
Closest named color: Dusky Blue (#475F94). oklch(52.3% 0.082 277.3), rgb(94, 101, 153).
Aa
White text reads best on this color (5.53:1).
About this color
#5E6599 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.082 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.038 away. White text reads best on it, at 5.53:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.79:1 |
| White text | 5.53:1 |
Values
| HEX | #5E6599 |
| RGB | rgb(94, 101, 153) |
| HSL | hsl(233, 24%, 48%) |
| OKLCH | oklch(52.3% 0.082 277.3) |
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 #5E6599 | 5.53:1 | AA | Lc -82.9 | Fine for body text |
| Black text on #5E6599 | 3.79:1 | AA large text | Lc 26.5 | Dividers and decoration only |
| #5E6599 text on white | 5.53:1 | AA | Lc 77.6 | Fine for body text |
| #5E6599 text on black | 3.79:1 | AA large text | Lc -24.2 | 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
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E8E9F2
oklch(93.6% 0.012 281.1)
-
Step 200
200
#D5D8E8
oklch(88.5% 0.022 277.5)
-
Step 300
300
#BABFDB
oklch(81% 0.04 277.5)
-
Step 400
400
#969DC9
oklch(70.6% 0.065 277.6)
-
Step 500
500
#7D85BB
oklch(63.1% 0.082 277.3)
-
Step 600
600
#666EA7
oklch(55.6% 0.089 277)
-
Step 700
700 (this color)
#5E6599
oklch(52.3% 0.082 277.3)
-
Step 800
800
#464B74
oklch(42.7% 0.068 277.8)
-
Step 900
900
#3A3F5E
oklch(37.7% 0.053 276.5)
-
Step 950
950
#222537
oklch(27% 0.034 276.6)
#5E6599 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) | #546B9B | 0.020 |
| Deuteranopia (no green cones) | #506698 | 0.019 |
| Tritanopia (no blue cones) | #4D6F78 | 0.072 |
| Achromatopsia (no color) | #696969 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5E6599
#5E6599
oklch(52.3% 0.082 277.3)
- #776A2D
#776A2D
oklch(52.3% 0.082 97.4)
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 #5E6599, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.038
- French Blue #436BAD ΔE 0.043
- Muted Blue #3B719F ΔE 0.049
- Dull Blue #49759C ΔE 0.049
- Denim #3B638C ΔE 0.051
- Metallic Blue #4F738E ΔE 0.051
- Flat Blue #3C73A8 ΔE 0.052
- Denim Blue #3B5B92 ΔE 0.058
Use #5E6599 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.