#5AA1CB
Closest named color: Greyblue (#77A1B5). oklch(67.9% 0.095 236.4), rgb(90, 161, 203).
Aa
Black text reads best on this color (7.39:1).
About this color
#5AA1CB is a medium-light, moderately saturated blue. In OKLCH its lightness is 68%, its chroma 0.095 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.042 away. Black text reads best on it, at 7.39:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.095) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.39:1 |
| White text | 2.83:1 |
Values
| HEX | #5AA1CB |
| RGB | rgb(90, 161, 203) |
| HSL | hsl(202, 52%, 57%) |
| OKLCH | oklch(67.9% 0.095 236.4) |
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 #5AA1CB | 2.83:1 | Fails | Lc -59.6 | Large or bold text, headings |
| Black text on #5AA1CB | 7.39:1 | AAA | Lc 49.7 | Large or bold text, headings |
| #5AA1CB text on white | 2.83:1 | Fails | Lc 54.3 | Large or bold text, headings |
| #5AA1CB text on black | 7.39:1 | AAA | Lc -47.5 | Large or bold text, headings |
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 400.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF4
oklch(93.6% 0.017 236.7)
-
Step 200
200
#C5DDEC
oklch(88.4% 0.033 235.2)
-
Step 300
300
#9DC7E2
oklch(80.9% 0.059 236.7)
-
Step 400
400 (this color)
#5AA1CB
oklch(67.9% 0.095 236.4)
-
Step 500
500
#2C93C9
oklch(63% 0.122 236.9)
-
Step 600
600
#007CB0
oklch(55.5% 0.121 236.7)
-
Step 700
700
#006895
oklch(49% 0.107 237)
-
Step 800
800
#00557B
oklch(42.6% 0.093 237.2)
-
Step 900
900
#054766
oklch(37.7% 0.079 236.7)
-
Step 950
950
#082A3C
oklch(27.1% 0.051 236.4)
#5AA1CB 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) | #8DA0CD | 0.057 |
| Deuteranopia (no green cones) | #7E94CA | 0.049 |
| Tritanopia (no blue cones) | #00ACAF | 0.073 |
| Achromatopsia (no color) | #999999 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5AA1CB
#5AA1CB
oklch(67.9% 0.095 236.4)
- #C5895D
#C5895D
oklch(68% 0.095 56.6)
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 #5AA1CB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.042
- Faded Blue #658CBB ΔE 0.057
- Bluegrey #85A3B2 ΔE 0.058
- Turquoise Blue #06B1C4 ΔE 0.059
- Bluey Grey #89A0B0 ΔE 0.061
- Cadet Blue #5F9EA0 ΔE 0.063
- Cool Gray #8D99AE ΔE 0.066
- Silver Lake Blue #778DA9 ΔE 0.066
Use #5AA1CB 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.