#5A6799
Closest named color: Dusky Blue (#475F94). oklch(52.4% 0.081 272.2), rgb(90, 103, 153).
Aa
White text reads best on this color (5.47:1).
About this color
#5A6799 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 52%, its chroma 0.081 and its hue 272°. Its hue sits on the cool side of the wheel. The nearest named color is Dusky Blue (#475F94), ΔE 0.037 away. White text reads best on it, at 5.47:1.
| Hue family | Blues |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Dusky Blue (#475F94) |
| Black text | 3.83:1 |
| White text | 5.47:1 |
Values
| HEX | #5A6799 |
| RGB | rgb(90, 103, 153) |
| HSL | hsl(228, 26%, 48%) |
| OKLCH | oklch(52.4% 0.081 272.2) |
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 #5A6799 | 5.47:1 | AA | Lc -82.6 | Fine for body text |
| Black text on #5A6799 | 3.83:1 | AA large text | Lc 26.8 | Dividers and decoration only |
| #5A6799 text on white | 5.47:1 | AA | Lc 77.3 | Fine for body text |
| #5A6799 text on black | 3.83:1 | AA large text | Lc -24.5 | 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 600.
-
Step 50
50
#F4F5F9
oklch(97.1% 0.005 275)
-
Step 100
100
#E7EAF1
oklch(93.7% 0.01 267.4)
-
Step 200
200
#D4D9E7
oklch(88.6% 0.02 270.2)
-
Step 300
300
#B8C0D9
oklch(81% 0.036 271.5)
-
Step 400
400
#949FC6
oklch(70.8% 0.058 272.5)
-
Step 500
500
#7A87B7
oklch(63.1% 0.074 272.4)
-
Step 600
600 (this color)
#5A6799
oklch(52.4% 0.081 272.2)
-
Step 700
700
#525E8C
oklch(49.2% 0.075 272.2)
-
Step 800
800
#434D71
oklch(42.7% 0.061 271.7)
-
Step 900
900
#39405C
oklch(37.8% 0.049 273.1)
-
Step 950
950
#212636
oklch(27.1% 0.031 270.8)
#5A6799 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) | #566C9B | 0.014 |
| Deuteranopia (no green cones) | #516798 | 0.012 |
| Tritanopia (no blue cones) | #467179 | 0.072 |
| Achromatopsia (no color) | #696969 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A6799
#5A6799
oklch(52.4% 0.081 272.2)
- #7B692E
#7B692E
oklch(52.5% 0.081 92.4)
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 #5A6799, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusky Blue #475F94 ΔE 0.037
- French Blue #436BAD ΔE 0.039
- Muted Blue #3B719F ΔE 0.041
- Dull Blue #49759C ΔE 0.042
- Metallic Blue #4F738E ΔE 0.045
- Flat Blue #3C73A8 ΔE 0.045
- Denim #3B638C ΔE 0.047
- Denim Blue #3B5B92 ΔE 0.057
Use #5A6799 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.