#5BA1BF
Closest named color: Greyblue (#77A1B5). oklch(67.5% 0.083 227.8), rgb(91, 161, 191).
Aa
Black text reads best on this color (7.29:1).
About this color
#5BA1BF is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.083 and its hue 228°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.031 away. Black text reads best on it, at 7.29:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.29:1 |
| White text | 2.87:1 |
Values
| HEX | #5BA1BF |
| RGB | rgb(91, 161, 191) |
| HSL | hsl(198, 44%, 55%) |
| OKLCH | oklch(67.5% 0.083 227.8) |
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 #5BA1BF | 2.87:1 | Fails | Lc -60.2 | Content text, not long reading |
| Black text on #5BA1BF | 7.29:1 | AAA | Lc 49.2 | Large or bold text, headings |
| #5BA1BF text on white | 2.87:1 | Fails | Lc 54.9 | Large or bold text, headings |
| #5BA1BF text on black | 7.29:1 | AAA | Lc -46.9 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E0ECF2
oklch(93.6% 0.015 229)
-
Step 200
200
#C6DDE8
oklch(88.4% 0.029 228.1)
-
Step 300
300
#9EC8DB
oklch(80.9% 0.052 227.3)
-
Step 400
400 (this color)
#5BA1BF
oklch(67.5% 0.083 227.8)
-
Step 500
500
#3196BC
oklch(63.2% 0.106 227.6)
-
Step 600
600
#007FA5
oklch(55.7% 0.108 227.8)
-
Step 700
700
#006A8B
oklch(49% 0.096 228.3)
-
Step 800
800
#005772
oklch(42.6% 0.083 227.6)
-
Step 900
900
#08485E
oklch(37.6% 0.069 227.8)
-
Step 950
950
#0A2A37
oklch(26.9% 0.044 228.8)
#5BA1BF 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) | #919EC1 | 0.062 |
| Deuteranopia (no green cones) | #8393BF | 0.056 |
| Tritanopia (no blue cones) | #1BAAAB | 0.059 |
| Achromatopsia (no color) | #989898 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BA1BF
#5BA1BF
oklch(67.5% 0.083 227.8)
- #C18769
#C18769
oklch(67.4% 0.083 48.2)
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 #5BA1BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.031
- Cadet Blue #5F9EA0 ΔE 0.045
- Bluegrey #85A3B2 ΔE 0.049
- Bluey Grey #89A0B0 ΔE 0.053
- Turquoise Blue #06B1C4 ΔE 0.053
- Faded Blue #658CBB ΔE 0.058
- Cool Gray #8D99AE ΔE 0.059
- Silver Lake Blue #778DA9 ΔE 0.059
Use #5BA1BF 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.