#5DA3DB
Closest named color: Cornflower Blue (#6495ED). oklch(69.3% 0.109 244.5), rgb(93, 163, 219).
Aa
Black text reads best on this color (7.72:1).
About this color
#5DA3DB is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.109 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.052 away. Black text reads best on it, at 7.72:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.72:1 |
| White text | 2.71:1 |
Values
| HEX | #5DA3DB |
| RGB | rgb(93, 163, 219) |
| HSL | hsl(207, 64%, 61%) |
| OKLCH | oklch(69.3% 0.109 244.5) |
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 #5DA3DB | 2.71:1 | Fails | Lc -57.7 | Large or bold text, headings |
| Black text on #5DA3DB | 7.72:1 | AAA | Lc 51.6 | Large or bold text, headings |
| #5DA3DB text on white | 2.71:1 | Fails | Lc 52.5 | Large or bold text, headings |
| #5DA3DB text on black | 7.72:1 | AAA | Lc -49.4 | 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
#F1F6FB
oklch(97.1% 0.009 247.9)
-
Step 100
100
#DFECF6
oklch(93.6% 0.019 240.7)
-
Step 200
200
#C5DCF1
oklch(88.4% 0.038 245.8)
-
Step 300
300
#9CC6EA
oklch(80.9% 0.068 244.6)
-
Step 400
400 (this color)
#5DA3DB
oklch(69.3% 0.109 244.5)
-
Step 500
500
#2B90D7
oklch(63% 0.139 244.6)
-
Step 600
600
#0079BE
oklch(55.6% 0.139 244.6)
-
Step 700
700
#0066A0
oklch(49.2% 0.121 244)
-
Step 800
800
#005384
oklch(42.6% 0.106 244.3)
-
Step 900
900
#05456E
oklch(37.7% 0.091 244.7)
-
Step 950
950
#082940
oklch(27% 0.057 243.6)
#5DA3DB 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) | #8BA4DE | 0.051 |
| Deuteranopia (no green cones) | #7A97DA | 0.041 |
| Tritanopia (no blue cones) | #00B0B6 | 0.088 |
| Achromatopsia (no color) | #9D9D9D | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5DA3DB
#5DA3DB
oklch(69.3% 0.109 244.5)
- #CB8D4F
#CB8D4F
oklch(69.3% 0.109 64.3)
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 #5DA3DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.052
- Chefchaouen Blue #4895EF ΔE 0.058
- Greyblue #77A1B5 ΔE 0.059
- Dark Sky Blue #448EE4 ΔE 0.069
- Faded Blue #658CBB ΔE 0.069
- Turquoise Blue #06B1C4 ΔE 0.071
- Bluegrey #85A3B2 ΔE 0.071
- Bluey Grey #89A0B0 ΔE 0.074
Use #5DA3DB 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.