#5DA9DF
Closest named color: Greyblue (#77A1B5). oklch(70.8% 0.11 241.5), rgb(93, 169, 223).
Aa
Black text reads best on this color (8.20:1).
About this color
#5DA9DF is a medium-light, moderately saturated blue. In OKLCH its lightness is 71%, its chroma 0.110 and its hue 242°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.062 away. Black text reads best on it, at 8.20:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 8.20:1 |
| White text | 2.55:1 |
Values
| HEX | #5DA9DF |
| RGB | rgb(93, 169, 223) |
| HSL | hsl(205, 67%, 62%) |
| OKLCH | oklch(70.8% 0.11 241.5) |
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 #5DA9DF | 2.55:1 | Fails | Lc -55.0 | Large or bold text, headings |
| Black text on #5DA9DF | 8.20:1 | AAA | Lc 54.1 | Large or bold text, headings |
| #5DA9DF text on white | 2.55:1 | Fails | Lc 49.9 | Large or bold text, headings |
| #5DA9DF text on black | 8.20:1 | AAA | Lc -52.0 | 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
#F0F6FB
oklch(97% 0.009 242.8)
-
Step 100
100
#DFECF6
oklch(93.6% 0.019 240.7)
-
Step 200
200
#C4DDF1
oklch(88.5% 0.038 242.2)
-
Step 300
300
#9AC7E9
oklch(80.9% 0.068 241.3)
-
Step 400
400 (this color)
#5DA9DF
oklch(70.8% 0.11 241.5)
-
Step 500
500
#1D92D6
oklch(63.2% 0.14 241.5)
-
Step 600
600
#007AB8
oklch(55.5% 0.131 241.7)
-
Step 700
700
#00679C
oklch(49.2% 0.116 241.5)
-
Step 800
800
#005480
oklch(42.6% 0.1 241.3)
-
Step 900
900
#00466C
oklch(37.7% 0.089 241.5)
-
Step 950
950
#052940
oklch(26.9% 0.058 242)
#5DA9DF 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) | #91A9E2 | 0.057 |
| Deuteranopia (no green cones) | #7F9CDE | 0.046 |
| Tritanopia (no blue cones) | #00B6BB | 0.085 |
| Achromatopsia (no color) | #A2A2A2 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5DA9DF
#5DA9DF
oklch(70.8% 0.11 241.5)
- #D29055
#D29055
oklch(70.7% 0.11 61.3)
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 #5DA9DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.062
- Cornflower Blue #6495ED ΔE 0.063
- Turquoise Blue #06B1C4 ΔE 0.067
- Deep Sky Blue #00BFFF ΔE 0.068
- Chefchaouen Blue #4895EF ΔE 0.069
- Bluegrey #85A3B2 ΔE 0.072
- Bluey Grey #89A0B0 ΔE 0.076
- Carolina Blue #8AB8FE ΔE 0.077
Use #5DA9DF 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.