#5A9EBF
Closest named color: Greyblue (#77A1B5). oklch(66.7% 0.085 230.9), rgb(90, 158, 191).
Aa
Black text reads best on this color (7.07:1).
About this color
#5A9EBF is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.085 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.036 away. Black text reads best on it, at 7.07:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.07:1 |
| White text | 2.96:1 |
Values
| HEX | #5A9EBF |
| RGB | rgb(90, 158, 191) |
| HSL | hsl(200, 44%, 55%) |
| OKLCH | oklch(66.7% 0.085 230.9) |
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 #5A9EBF | 2.96:1 | Fails | Lc -61.4 | Content text, not long reading |
| Black text on #5A9EBF | 7.07:1 | AAA | Lc 48.0 | Large or bold text, headings |
| #5A9EBF text on white | 2.96:1 | Fails | Lc 56.1 | Large or bold text, headings |
| #5A9EBF text on black | 7.07:1 | AAA | Lc -45.7 | 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 500.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2EBF0
oklch(93.5% 0.012 231.7)
-
Step 200
200
#CBDCE6
oklch(88.5% 0.023 233.4)
-
Step 300
300
#A6C6D7
oklch(80.9% 0.042 231.1)
-
Step 400
400
#75A9C3
oklch(70.8% 0.067 230.6)
-
Step 500
500 (this color)
#5A9EBF
oklch(66.7% 0.085 230.9)
-
Step 600
600
#2F7D9F
oklch(55.7% 0.091 230.5)
-
Step 700
700
#206988
oklch(49.1% 0.085 230.7)
-
Step 800
800
#1D566F
oklch(42.8% 0.071 230.8)
-
Step 900
900
#1F475A
oklch(37.8% 0.055 231.4)
-
Step 950
950
#132A34
oklch(27.1% 0.034 228.3)
#5A9EBF 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) | #8E9CC1 | 0.060 |
| Deuteranopia (no green cones) | #7F91BF | 0.052 |
| Tritanopia (no blue cones) | #18A7A9 | 0.062 |
| Achromatopsia (no color) | #969696 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5A9EBF
#5A9EBF
oklch(66.7% 0.085 230.9)
- #BF8564
#BF8564
oklch(66.7% 0.085 50.4)
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 #5A9EBF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.036
- Cadet Blue #5F9EA0 ΔE 0.047
- Faded Blue #658CBB ΔE 0.050
- Silver Lake Blue #778DA9 ΔE 0.054
- Bluegrey #85A3B2 ΔE 0.054
- Blue Grey #758DA3 ΔE 0.056
- Bluey Grey #89A0B0 ΔE 0.057
- Cool Gray #8D99AE ΔE 0.060
Use #5A9EBF 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.