#5AA3BB
Closest named color: Greyblue (#77A1B5). oklch(67.7% 0.081 221.5), rgb(90, 163, 187).
Aa
Black text reads best on this color (7.39:1).
About this color
#5AA3BB is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 68%, its chroma 0.081 and its hue 222°. 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 7.39:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.39:1 |
| White text | 2.84:1 |
Values
| HEX | #5AA3BB |
| RGB | rgb(90, 163, 187) |
| HSL | hsl(195, 42%, 54%) |
| OKLCH | oklch(67.7% 0.081 221.5) |
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 #5AA3BB | 2.84:1 | Fails | Lc -59.6 | Large or bold text, headings |
| Black text on #5AA3BB | 7.39:1 | AAA | Lc 49.7 | Large or bold text, headings |
| #5AA3BB text on white | 2.84:1 | Fails | Lc 54.3 | Large or bold text, headings |
| #5AA3BB 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
#F1F7F9
oklch(97.2% 0.007 219.6)
-
Step 100
100
#E0ECF1
oklch(93.6% 0.015 224.5)
-
Step 200
200
#C6DEE6
oklch(88.5% 0.028 219.8)
-
Step 300
300
#9DC9D8
oklch(81% 0.051 220.7)
-
Step 400
400 (this color)
#5AA3BB
oklch(67.7% 0.081 221.5)
-
Step 500
500
#2C97B6
oklch(63.1% 0.104 221.8)
-
Step 600
600
#00809E
oklch(55.6% 0.103 221.9)
-
Step 700
700
#006C85
oklch(49.2% 0.09 221.2)
-
Step 800
800
#00586D
oklch(42.6% 0.078 221.3)
-
Step 900
900
#04495B
oklch(37.6% 0.068 222)
-
Step 950
950
#082B35
oklch(27% 0.043 220.9)
#5AA3BB 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) | #959FBC | 0.067 |
| Deuteranopia (no green cones) | #8695BB | 0.059 |
| Tritanopia (no blue cones) | #1CABAB | 0.053 |
| Achromatopsia (no color) | #999999 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5AA3BB
#5AA3BB
oklch(67.7% 0.081 221.5)
- #C38770
#C38770
oklch(67.8% 0.081 41.8)
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 #5AA3BB, 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 0.039
- Bluegrey #85A3B2 ΔE 0.047
- Turquoise Blue #06B1C4 ΔE 0.048
- Bluey Grey #89A0B0 ΔE 0.051
- Cool Gray #8D99AE ΔE 0.059
- Dull Teal #5F9E8F ΔE 0.063
- Silver Lake Blue #778DA9 ΔE 0.063
Use #5AA3BB 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.