#5BACBC
Closest named color: Greyblue (#77A1B5). oklch(69.9% 0.082 212), rgb(91, 172, 188).
Aa
Black text reads best on this color (8.07:1).
About this color
#5BACBC is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.082 and its hue 212°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.037 away. Black text reads best on it, at 8.07:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.07:1 |
| White text | 2.60:1 |
Values
| HEX | #5BACBC |
| RGB | rgb(91, 172, 188) |
| HSL | hsl(190, 42%, 55%) |
| OKLCH | oklch(69.9% 0.082 212) |
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 #5BACBC | 2.60:1 | Fails | Lc -55.8 | Large or bold text, headings |
| Black text on #5BACBC | 8.07:1 | AAA | Lc 53.4 | Large or bold text, headings |
| #5BACBC text on white | 2.60:1 | Fails | Lc 50.6 | Large or bold text, headings |
| #5BACBC text on black | 8.07:1 | AAA | Lc -51.3 | 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
#F0F7F8
oklch(97.1% 0.008 207.1)
-
Step 100
100
#DFEDF0
oklch(93.7% 0.015 212)
-
Step 200
200
#C5DFE4
oklch(88.6% 0.028 210.5)
-
Step 300
300
#9BCAD4
oklch(80.9% 0.051 212.1)
-
Step 400
400 (this color)
#5BACBC
oklch(69.9% 0.082 212)
-
Step 500
500
#199AAE
oklch(63.1% 0.105 211.5)
-
Step 600
600
#008294
oklch(55.7% 0.097 211.6)
-
Step 700
700
#006D7D
oklch(49.1% 0.086 212.3)
-
Step 800
800
#005967
oklch(42.6% 0.075 213)
-
Step 900
900
#004A56
oklch(37.6% 0.066 213)
-
Step 950
950
#052C33
oklch(27.1% 0.043 212.5)
#5BACBC 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) | #9FA7BD | 0.077 |
| Deuteranopia (no green cones) | #909CBC | 0.069 |
| Tritanopia (no blue cones) | #19B3B1 | 0.046 |
| Achromatopsia (no color) | #A0A0A0 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BACBC
#5BACBC
oklch(69.9% 0.082 212)
- #CC8B7E
#CC8B7E
oklch(69.8% 0.082 31.7)
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 #5BACBC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.037
- Turquoise Blue #06B1C4 ΔE 0.037
- Bluegrey #85A3B2 ΔE 0.046
- Cadet Blue #5F9EA0 ΔE 0.048
- Light Sea Green #20B2AA ΔE 0.051
- Bluey Grey #89A0B0 ΔE 0.054
- Topaz #13BBAF ΔE 0.062
- Cool Steel #97A7B3 ΔE 0.065
Use #5BACBC 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.