#5DB4DF
Closest named color: Deep Sky Blue (#00BFFF). oklch(73.3% 0.104 232.1), rgb(93, 180, 223).
Aa
Black text reads best on this color (9.05:1).
About this color
#5DB4DF is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.104 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sky Blue (#00BFFF), ΔE 0.054 away. Black text reads best on it, at 9.05:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Deep Sky Blue (#00BFFF) |
| Black text | 9.05:1 |
| White text | 2.31:1 |
Values
| HEX | #5DB4DF |
| RGB | rgb(93, 180, 223) |
| HSL | hsl(200, 67%, 62%) |
| OKLCH | oklch(73.3% 0.104 232.1) |
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 #5DB4DF | 2.31:1 | Fails | Lc -50.4 | Large or bold text, headings |
| Black text on #5DB4DF | 9.05:1 | AAA | Lc 58.5 | Large or bold text, headings |
| #5DB4DF text on white | 2.31:1 | Fails | Lc 45.5 | Large or bold text, headings |
| #5DB4DF text on black | 9.05:1 | AAA | Lc -56.6 | 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
#DEECF5
oklch(93.5% 0.019 235.7)
-
Step 200
200
#C2DEED
oklch(88.5% 0.036 231.1)
-
Step 300
300
#96C9E4
oklch(81% 0.065 231.7)
-
Step 400
400 (this color)
#5DB4DF
oklch(73.3% 0.104 232.1)
-
Step 500
500
#0096CA
oklch(63.2% 0.129 232.1)
-
Step 600
600
#007EAA
oklch(55.7% 0.113 231.8)
-
Step 700
700
#006A90
oklch(49.2% 0.1 232)
-
Step 800
800
#005676
oklch(42.6% 0.087 232.3)
-
Step 900
900
#004863
oklch(37.7% 0.077 231.8)
-
Step 950
950
#002B3D
oklch(27.1% 0.055 231.9)
#5DB4DF 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) | #9FB2E1 | 0.070 |
| Deuteranopia (no green cones) | #8DA4DE | 0.061 |
| Tritanopia (no blue cones) | #00C0C2 | 0.073 |
| Achromatopsia (no color) | #AAAAAA | 0.105 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5DB4DF
#5DB4DF
oklch(73.3% 0.104 232.1)
- #DD966A
#DD966A
oklch(73.4% 0.104 52.2)
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 #5DB4DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sky Blue #00BFFF ΔE 0.054
- Vivid Sky Blue #4CC9F0 ΔE 0.056
- Turquoise Blue #06B1C4 ΔE 0.061
- Carolina Blue #8AB8FE ΔE 0.067
- Lightblue #7BC8F6 ΔE 0.068
- Greyblue #77A1B5 ΔE 0.069
- Bright Sky Blue #02CCFE ΔE 0.070
- Bluegrey #85A3B2 ΔE 0.073
Use #5DB4DF 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.