#5AA3B7
Closest named color: Greyblue (#77A1B5). oklch(67.6% 0.079 217.7), rgb(90, 163, 183).
Aa
Black text reads best on this color (7.35:1).
About this color
#5AA3B7 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 68%, its chroma 0.079 and its hue 218°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.029 away. Black text reads best on it, at 7.35:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.35:1 |
| White text | 2.85:1 |
Values
| HEX | #5AA3B7 |
| RGB | rgb(90, 163, 183) |
| HSL | hsl(193, 39%, 54%) |
| OKLCH | oklch(67.6% 0.079 217.7) |
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 #5AA3B7 | 2.85:1 | Fails | Lc -59.8 | Large or bold text, headings |
| Black text on #5AA3B7 | 7.35:1 | AAA | Lc 49.5 | Large or bold text, headings |
| #5AA3B7 text on white | 2.85:1 | Fails | Lc 54.5 | Large or bold text, headings |
| #5AA3B7 text on black | 7.35:1 | AAA | Lc -47.3 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E0ECF0
oklch(93.5% 0.014 219.6)
-
Step 200
200
#C6DEE5
oklch(88.5% 0.027 217.2)
-
Step 300
300
#9EC9D6
oklch(80.9% 0.049 218.2)
-
Step 400
400 (this color)
#5AA3B7
oklch(67.6% 0.079 217.7)
-
Step 500
500
#2D98B1
oklch(63.1% 0.1 217.1)
-
Step 600
600
#00819A
oklch(55.7% 0.1 217.7)
-
Step 700
700
#006C82
oklch(49.1% 0.088 218.4)
-
Step 800
800
#00596B
oklch(42.8% 0.077 217.7)
-
Step 900
900
#054A58
oklch(37.8% 0.065 216.5)
-
Step 950
950
#092B34
oklch(27% 0.041 219)
#5AA3B7 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) | #969FB8 | 0.069 |
| Deuteranopia (no green cones) | #8894B7 | 0.063 |
| Tritanopia (no blue cones) | #22AAA9 | 0.048 |
| Achromatopsia (no color) | #999999 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5AA3B7
#5AA3B7
oklch(67.6% 0.079 217.7)
- #C28674
#C28674
oklch(67.6% 0.079 37.4)
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 #5AA3B7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.029
- Cadet Blue #5F9EA0 ΔE 0.033
- Bluegrey #85A3B2 ΔE 0.046
- Turquoise Blue #06B1C4 ΔE 0.048
- Bluey Grey #89A0B0 ΔE 0.051
- Dull Teal #5F9E8F ΔE 0.057
- Cool Gray #8D99AE ΔE 0.059
- Light Sea Green #20B2AA ΔE 0.061
Use #5AA3B7 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.