#5FB3DB
Closest named color: Turquoise Blue (#06B1C4). oklch(73% 0.1 230.9), rgb(95, 179, 219).
Aa
Black text reads best on this color (8.95:1).
About this color
#5FB3DB is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.100 and its hue 231°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.058 away. Black text reads best on it, at 8.95:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 8.95:1 |
| White text | 2.34:1 |
Values
| HEX | #5FB3DB |
| RGB | rgb(95, 179, 219) |
| HSL | hsl(199, 63%, 62%) |
| OKLCH | oklch(73% 0.1 230.9) |
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 #5FB3DB | 2.34:1 | Fails | Lc -51.0 | Large or bold text, headings |
| Black text on #5FB3DB | 8.95:1 | AAA | Lc 57.9 | Large or bold text, headings |
| #5FB3DB text on white | 2.34:1 | Fails | Lc 46.0 | Large or bold text, headings |
| #5FB3DB text on black | 8.95:1 | AAA | Lc -56.0 | 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
#DEECF4
oklch(93.5% 0.018 232.5)
-
Step 200
200
#C3DEEC
oklch(88.5% 0.035 230.3)
-
Step 300
300
#98C9E2
oklch(81% 0.062 230.6)
-
Step 400
400 (this color)
#5FB3DB
oklch(73% 0.1 230.9)
-
Step 500
500
#0096C8
oklch(63.1% 0.127 231)
-
Step 600
600
#007EA9
oklch(55.6% 0.112 231.2)
-
Step 700
700
#006A8E
oklch(49.1% 0.099 230.6)
-
Step 800
800
#005775
oklch(42.8% 0.086 230.3)
-
Step 900
900
#004862
oklch(37.7% 0.076 230.8)
-
Step 950
950
#022B3B
oklch(27.1% 0.052 229.7)
#5FB3DB 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) | #9FB1DD | 0.069 |
| Deuteranopia (no green cones) | #8EA4DA | 0.060 |
| Tritanopia (no blue cones) | #00BEC0 | 0.071 |
| Achromatopsia (no color) | #A9A9A9 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5FB3DB
#5FB3DB
oklch(73% 0.1 230.9)
- #DA956D
#DA956D
oklch(72.9% 0.1 50.7)
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 #5FB3DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.058
- Vivid Sky Blue #4CC9F0 ΔE 0.059
- Deep Sky Blue #00BFFF ΔE 0.059
- Greyblue #77A1B5 ΔE 0.064
- Bluegrey #85A3B2 ΔE 0.068
- Carolina Blue #8AB8FE ΔE 0.071
- Lightblue #7BC8F6 ΔE 0.071
- Light Grey Blue #9DBCD4 ΔE 0.074
Use #5FB3DB 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.