#5DB2EF
Closest named color: Deep Sky Blue (#00BFFF). oklch(73.5% 0.121 242.1), rgb(93, 178, 239).
Aa
Black text reads best on this color (9.07:1).
About this color
#5DB2EF is a medium-light, moderately saturated blue. In OKLCH its lightness is 74%, its chroma 0.121 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sky Blue (#00BFFF), ΔE 0.045 away. Black text reads best on it, at 9.07:1.
| Hue family | Blues |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Deep Sky Blue (#00BFFF) |
| Black text | 9.07:1 |
| White text | 2.31:1 |
Values
| HEX | #5DB2EF |
| RGB | rgb(93, 178, 239) |
| HSL | hsl(205, 82%, 65%) |
| OKLCH | oklch(73.5% 0.121 242.1) |
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 #5DB2EF | 2.31:1 | Fails | Lc -50.3 | Large or bold text, headings |
| Black text on #5DB2EF | 9.07:1 | AAA | Lc 58.6 | Large or bold text, headings |
| #5DB2EF text on white | 2.31:1 | Fails | Lc 45.4 | Large or bold text, headings |
| #5DB2EF text on black | 9.07:1 | AAA | Lc -56.7 | 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
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DEECF8
oklch(93.6% 0.022 243.8)
-
Step 200
200
#C2DDF3
oklch(88.5% 0.042 242.7)
-
Step 300
300
#95C7EE
oklch(80.8% 0.076 242.3)
-
Step 400
400 (this color)
#5DB2EF
oklch(73.5% 0.121 242.1)
-
Step 500
500
#0092DB
oklch(63.2% 0.149 241.7)
-
Step 600
600
#007AB9
oklch(55.5% 0.132 242.1)
-
Step 700
700
#00679D
oklch(49.2% 0.117 242)
-
Step 800
800
#005481
oklch(42.7% 0.101 241.9)
-
Step 900
900
#00466D
oklch(37.8% 0.09 242.2)
-
Step 950
950
#002943
oklch(27% 0.065 242.6)
#5DB2EF 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) | #97B3F2 | 0.061 |
| Deuteranopia (no green cones) | #83A4EE | 0.049 |
| Tritanopia (no blue cones) | #00C1C7 | 0.091 |
| Achromatopsia (no color) | #AAAAAA | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5DB2EF
#5DB2EF
oklch(73.5% 0.121 242.1)
- #E09753
#E09753
oklch(73.6% 0.122 62)
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 #5DB2EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sky Blue #00BFFF ΔE 0.045
- Carolina Blue #8AB8FE ΔE 0.054
- Vivid Sky Blue #4CC9F0 ΔE 0.063
- Lightblue #7BC8F6 ΔE 0.069
- Bright Sky Blue #02CCFE ΔE 0.070
- Cornflower Blue #6495ED ΔE 0.078
- Sky #82CAFC ΔE 0.078
- Turquoise Blue #06B1C4 ΔE 0.080
Use #5DB2EF 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.