#5AA9CC
Closest named color: Greyblue (#77A1B5). oklch(69.8% 0.093 229), rgb(90, 169, 204).
Aa
Black text reads best on this color (7.98:1).
About this color
#5AA9CC is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.093 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.041 away. Black text reads best on it, at 7.98:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.98:1 |
| White text | 2.63:1 |
Values
| HEX | #5AA9CC |
| RGB | rgb(90, 169, 204) |
| HSL | hsl(198, 53%, 58%) |
| OKLCH | oklch(69.8% 0.093 229) |
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 #5AA9CC | 2.63:1 | Fails | Lc -56.3 | Large or bold text, headings |
| Black text on #5AA9CC | 7.98:1 | AAA | Lc 52.9 | Large or bold text, headings |
| #5AA9CC text on white | 2.63:1 | Fails | Lc 51.1 | Large or bold text, headings |
| #5AA9CC text on black | 7.98:1 | AAA | Lc -50.8 | 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
#F0F7FA
oklch(97.2% 0.008 225.1)
-
Step 100
100
#DFECF3
oklch(93.5% 0.017 230.9)
-
Step 200
200
#C4DEEA
oklch(88.5% 0.032 227.3)
-
Step 300
300
#9AC8DF
oklch(80.8% 0.058 230)
-
Step 400
400 (this color)
#5AA9CC
oklch(69.8% 0.093 229)
-
Step 500
500
#1996C2
oklch(63% 0.119 228.8)
-
Step 600
600
#007EA6
oklch(55.5% 0.11 229.3)
-
Step 700
700
#006A8C
oklch(49% 0.097 229.1)
-
Step 800
800
#005773
oklch(42.7% 0.084 228.5)
-
Step 900
900
#004861
oklch(37.6% 0.075 229.8)
-
Step 950
950
#052B39
oklch(27.1% 0.048 227.7)
#5AA9CC 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) | #97A6CE | 0.067 |
| Deuteranopia (no green cones) | #879ACC | 0.060 |
| Tritanopia (no blue cones) | #00B3B4 | 0.066 |
| Achromatopsia (no color) | #9F9F9F | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5AA9CC
#5AA9CC
oklch(69.8% 0.093 229)
- #CD8C69
#CD8C69
oklch(69.7% 0.093 49)
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 #5AA9CC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.041
- Turquoise Blue #06B1C4 ΔE 0.046
- Bluegrey #85A3B2 ΔE 0.053
- Bluey Grey #89A0B0 ΔE 0.059
- Cadet Blue #5F9EA0 ΔE 0.064
- Cool Gray #8D99AE ΔE 0.069
- Cool Steel #97A7B3 ΔE 0.072
- Light Sea Green #20B2AA ΔE 0.074
Use #5AA9CC 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.