#5D90B4
Closest named color: Faded Blue (#658CBB). oklch(63.2% 0.077 240.3), rgb(93, 144, 180).
Aa
Black text reads best on this color (6.11:1).
About this color
#5D90B4 is a medium-light, moderately saturated blue. In OKLCH its lightness is 63%, its chroma 0.077 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.020 away. Black text reads best on it, at 6.11:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.077) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.11:1 |
| White text | 3.43:1 |
Values
| HEX | #5D90B4 |
| RGB | rgb(93, 144, 180) |
| HSL | hsl(205, 37%, 54%) |
| OKLCH | oklch(63.2% 0.077 240.3) |
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 #5D90B4 | 3.43:1 | AA large text | Lc -67.2 | Content text, not long reading |
| Black text on #5D90B4 | 6.11:1 | AA | Lc 42.3 | Non-text elements, placeholder text |
| #5D90B4 text on white | 3.43:1 | AA large text | Lc 61.8 | Content text, not long reading |
| #5D90B4 text on black | 6.11:1 | AA | Lc -39.9 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200
#CDDBE6
oklch(88.4% 0.021 241.4)
-
Step 300
300
#ACC4D7
oklch(80.8% 0.038 241.9)
-
Step 400
400
#7FA6C3
oklch(70.7% 0.06 240.9)
-
Step 500
500 (this color)
#5D90B4
oklch(63.2% 0.077 240.3)
-
Step 600
600
#427AA0
oklch(55.7% 0.084 240.2)
-
Step 700
700
#336689
oklch(49.1% 0.079 240.9)
-
Step 800
800
#2B536F
oklch(42.6% 0.065 241.1)
-
Step 900
900
#27455A
oklch(37.7% 0.051 240.5)
-
Step 950
950
#182935
oklch(27.2% 0.032 240.2)
#5D90B4 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) | #8090B6 | 0.042 |
| Deuteranopia (no green cones) | #7486B3 | 0.036 |
| Tritanopia (no blue cones) | #34999C | 0.062 |
| Achromatopsia (no color) | #8A8A8A | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5D90B4
#5D90B4
oklch(63.2% 0.077 240.3)
- #AC7F59
#AC7F59
oklch(63.2% 0.077 60.9)
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 #5D90B4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.020
- Dusty Blue #5A86AD ΔE 0.029
- Silver Lake Blue #778DA9 ΔE 0.032
- Blue Grey #758DA3 ΔE 0.035
- Off Blue #5684AE ΔE 0.036
- Cool Blue #4984B8 ΔE 0.044
- Light Slate Gray #778899 ΔE 0.047
- Steel Blue #4682B4 ΔE 0.050
Use #5D90B4 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.