#5BABCF
Closest named color: Greyblue (#77A1B5). oklch(70.4% 0.094 229.4), rgb(91, 171, 207).
Aa
Black text reads best on this color (8.17:1).
About this color
#5BABCF is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.094 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.044 away. Black text reads best on it, at 8.17:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.094) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.17:1 |
| White text | 2.57:1 |
Values
| HEX | #5BABCF |
| RGB | rgb(91, 171, 207) |
| HSL | hsl(199, 55%, 58%) |
| OKLCH | oklch(70.4% 0.094 229.4) |
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 #5BABCF | 2.57:1 | Fails | Lc -55.2 | Large or bold text, headings |
| Black text on #5BABCF | 8.17:1 | AAA | Lc 53.9 | Large or bold text, headings |
| #5BABCF text on white | 2.57:1 | Fails | Lc 50.1 | Large or bold text, headings |
| #5BABCF text on black | 8.17:1 | AAA | Lc -51.8 | 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
#C4DEEB
oklch(88.5% 0.033 229.3)
-
Step 300
300
#9AC9DF
oklch(81% 0.058 228.3)
-
Step 400
400 (this color)
#5BABCF
oklch(70.4% 0.094 229.4)
-
Step 500
500
#1596C4
oklch(63.1% 0.121 229.7)
-
Step 600
600
#007EA7
oklch(55.5% 0.111 230)
-
Step 700
700
#006A8D
oklch(49.1% 0.098 229.8)
-
Step 800
800
#005774
oklch(42.7% 0.085 229.4)
-
Step 900
900
#004861
oklch(37.6% 0.075 229.8)
-
Step 950
950
#042B3A
oklch(27.1% 0.05 229)
#5BABCF 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) | #99A8D1 | 0.068 |
| Deuteranopia (no green cones) | #889CCF | 0.059 |
| Tritanopia (no blue cones) | #00B5B7 | 0.066 |
| Achromatopsia (no color) | #A1A1A1 | 0.095 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5BABCF
#5BABCF
oklch(70.4% 0.094 229.4)
- #D08E6A
#D08E6A
oklch(70.4% 0.095 49.3)
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 #5BABCF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.044
- Turquoise Blue #06B1C4 ΔE 0.047
- Bluegrey #85A3B2 ΔE 0.055
- Bluey Grey #89A0B0 ΔE 0.061
- Cadet Blue #5F9EA0 ΔE 0.069
- Cool Steel #97A7B3 ΔE 0.072
- Cool Gray #8D99AE ΔE 0.072
- Light Sea Green #20B2AA ΔE 0.076
Use #5BABCF 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.