#5BAACB
Closest named color: Greyblue (#77A1B5). oklch(70.1% 0.091 227.5), rgb(91, 170, 203).
Aa
Black text reads best on this color (8.05:1).
About this color
#5BAACB is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.091 and its hue 227°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.040 away. Black text reads best on it, at 8.05:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.091) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.05:1 |
| White text | 2.60:1 |
Values
| HEX | #5BAACB |
| RGB | rgb(91, 170, 203) |
| HSL | hsl(198, 52%, 58%) |
| OKLCH | oklch(70.1% 0.091 227.5) |
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 #5BAACB | 2.60:1 | Fails | Lc -55.9 | Large or bold text, headings |
| Black text on #5BAACB | 8.05:1 | AAA | Lc 53.3 | Large or bold text, headings |
| #5BAACB text on white | 2.60:1 | Fails | Lc 50.7 | Large or bold text, headings |
| #5BAACB text on black | 8.05:1 | AAA | Lc -51.2 | 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
#F0F7F9
oklch(97.1% 0.008 216.6)
-
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
#9AC9DE
oklch(81% 0.057 227.1)
-
Step 400
400 (this color)
#5BAACB
oklch(70.1% 0.091 227.5)
-
Step 500
500
#1A97C0
oklch(63.2% 0.116 226.9)
-
Step 600
600
#007FA4
oklch(55.6% 0.108 227.1)
-
Step 700
700
#006B8B
oklch(49.2% 0.095 227.3)
-
Step 800
800
#005772
oklch(42.6% 0.083 227.6)
-
Step 900
900
#004960
oklch(37.8% 0.073 227.3)
-
Step 950
950
#052B39
oklch(27.1% 0.048 227.7)
#5BAACB 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) | #99A7CD | 0.069 |
| Deuteranopia (no green cones) | #899BCB | 0.061 |
| Tritanopia (no blue cones) | #00B4B5 | 0.064 |
| Achromatopsia (no color) | #A0A0A0 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BAACB
#5BAACB
oklch(70.1% 0.091 227.5)
- #CE8D6C
#CE8D6C
oklch(70.1% 0.092 47.7)
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 #5BAACB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.040
- Turquoise Blue #06B1C4 ΔE 0.045
- Bluegrey #85A3B2 ΔE 0.052
- Bluey Grey #89A0B0 ΔE 0.058
- Cadet Blue #5F9EA0 ΔE 0.064
- Cool Gray #8D99AE ΔE 0.069
- Cool Steel #97A7B3 ΔE 0.070
- Light Sea Green #20B2AA ΔE 0.072
Use #5BAACB 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.