#5FA1BF
Closest named color: Greyblue (#77A1B5). oklch(67.7% 0.081 229), rgb(95, 161, 191).
Aa
Black text reads best on this color (7.33:1).
About this color
#5FA1BF is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 68%, its chroma 0.081 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.028 away. Black text reads best on it, at 7.33:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.33:1 |
| White text | 2.86:1 |
Values
| HEX | #5FA1BF |
| RGB | rgb(95, 161, 191) |
| HSL | hsl(199, 43%, 56%) |
| OKLCH | oklch(67.7% 0.081 229) |
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 #5FA1BF | 2.86:1 | Fails | Lc -60.0 | Large or bold text, headings |
| Black text on #5FA1BF | 7.33:1 | AAA | Lc 49.4 | Large or bold text, headings |
| #5FA1BF text on white | 2.86:1 | Fails | Lc 54.7 | Large or bold text, headings |
| #5FA1BF text on black | 7.33:1 | AAA | Lc -47.2 | 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
#F1F6F9
oklch(97% 0.007 233.6)
-
Step 100
100
#E0ECF2
oklch(93.6% 0.015 229)
-
Step 200
200
#C7DDE8
oklch(88.5% 0.028 229.2)
-
Step 300
300
#A0C8DB
oklch(81% 0.05 228.5)
-
Step 400
400 (this color)
#5FA1BF
oklch(67.7% 0.081 229)
-
Step 500
500
#3895BB
oklch(63.1% 0.103 228.9)
-
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
#0F485E
oklch(37.7% 0.067 229.1)
-
Step 950
950
#0C2A37
oklch(26.9% 0.043 229.9)
#5FA1BF 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) | #929FC1 | 0.059 |
| Deuteranopia (no green cones) | #8494BF | 0.052 |
| Tritanopia (no blue cones) | #2AAAAB | 0.058 |
| Achromatopsia (no color) | #999999 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5FA1BF
#5FA1BF
oklch(67.7% 0.081 229)
- #C0896B
#C0896B
oklch(67.7% 0.08 49.6)
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 #5FA1BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.028
- Cadet Blue #5F9EA0 ΔE 0.045
- Bluegrey #85A3B2 ΔE 0.046
- Bluey Grey #89A0B0 ΔE 0.049
- Cool Gray #8D99AE ΔE 0.055
- Turquoise Blue #06B1C4 ΔE 0.056
- Faded Blue #658CBB ΔE 0.058
- Silver Lake Blue #778DA9 ΔE 0.058
Use #5FA1BF 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.