#5D7ACB
Closest named color: Windows Blue (#3778BF). oklch(59.5% 0.128 267.6), rgb(93, 122, 203).
Aa
Black text reads best on this color (5.11:1).
About this color
#5D7ACB is a medium-dark, moderately saturated blue. In OKLCH its lightness is 59%, its chroma 0.128 and its hue 268°. Its hue sits on the cool side of the wheel. The nearest named color is Windows Blue (#3778BF), ΔE 0.045 away. Black text reads best on it, at 5.11:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.128) |
| Temperature | cool |
| Nearest name | Windows Blue (#3778BF) |
| Black text | 5.11:1 |
| White text | 4.10:1 |
Values
| HEX | #5D7ACB |
| RGB | rgb(93, 122, 203) |
| HSL | hsl(224, 51%, 58%) |
| OKLCH | oklch(59.5% 0.128 267.6) |
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 #5D7ACB | 4.10:1 | AA large text | Lc -73.6 | Content text, not long reading |
| Black text on #5D7ACB | 5.11:1 | AA | Lc 36.0 | Non-text elements, placeholder text |
| #5D7ACB text on white | 4.10:1 | AA large text | Lc 68.1 | Content text, not long reading |
| #5D7ACB text on black | 5.11:1 | AA | Lc -33.6 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E4EAF7
oklch(93.6% 0.019 266)
-
Step 200
200
#CFD9F1
oklch(88.5% 0.035 267.6)
-
Step 300
300
#AFC0EA
oklch(80.9% 0.062 267.7)
-
Step 400
400
#859EE0
oklch(70.6% 0.101 267.9)
-
Step 500
500 (this color)
#5D7ACB
oklch(59.5% 0.128 267.6)
-
Step 600
600
#4F6DC4
oklch(55.5% 0.139 267.4)
-
Step 700
700
#405BAA
oklch(49.1% 0.13 267.3)
-
Step 800
800
#354B89
oklch(42.8% 0.106 267.2)
-
Step 900
900
#2E3F6E
oklch(37.8% 0.084 267.4)
-
Step 950
950
#1B2540
oklch(27% 0.052 267.5)
#5D7ACB 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) | #5982CE | 0.021 |
| Deuteranopia (no green cones) | #4C79C9 | 0.020 |
| Tritanopia (no blue cones) | #228C99 | 0.115 |
| Achromatopsia (no color) | #7D7D7D | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5D7ACB
#5D7ACB
oklch(59.5% 0.128 267.6)
- #9D7900
#9D7900
oklch(59.5% 0.122 87.7)
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 #5D7ACB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Windows Blue #3778BF ΔE 0.045
- Cool Blue #4984B8 ΔE 0.049
- Steel Blue #4682B4 ΔE 0.052
- Soft Blue #6488EA ΔE 0.056
- Water Blue #0E87CC ΔE 0.059
- Off Blue #5684AE ΔE 0.059
- Dark Sky Blue #448EE4 ΔE 0.060
- Faded Blue #658CBB ΔE 0.063
Use #5D7ACB 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.