#5DA5DC
Closest named color: Cornflower Blue (#6495ED). oklch(69.7% 0.109 243.3), rgb(93, 165, 220).
Aa
Black text reads best on this color (7.88:1).
About this color
#5DA5DC is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.109 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.056 away. Black text reads best on it, at 7.88:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.88:1 |
| White text | 2.66:1 |
Values
| HEX | #5DA5DC |
| RGB | rgb(93, 165, 220) |
| HSL | hsl(206, 64%, 61%) |
| OKLCH | oklch(69.7% 0.109 243.3) |
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 #5DA5DC | 2.66:1 | Fails | Lc -56.8 | Large or bold text, headings |
| Black text on #5DA5DC | 7.88:1 | AAA | Lc 52.4 | Large or bold text, headings |
| #5DA5DC text on white | 2.66:1 | Fails | Lc 51.6 | Large or bold text, headings |
| #5DA5DC text on black | 7.88:1 | AAA | Lc -50.3 | 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
#C5DDF1
oklch(88.6% 0.038 243.3)
-
Step 300
300
#9BC6EA
oklch(80.8% 0.069 244)
-
Step 400
400 (this color)
#5DA5DC
oklch(69.7% 0.109 243.3)
-
Step 500
500
#2791D6
oklch(63.1% 0.139 243.1)
-
Step 600
600
#007ABB
oklch(55.7% 0.134 242.9)
-
Step 700
700
#00669E
oklch(49% 0.119 243.2)
-
Step 800
800
#005483
oklch(42.8% 0.104 243)
-
Step 900
900
#02456D
oklch(37.6% 0.09 243.5)
-
Step 950
950
#072940
oklch(27% 0.057 243.1)
#5DA5DC 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) | #8DA6DF | 0.053 |
| Deuteranopia (no green cones) | #7C99DB | 0.043 |
| Tritanopia (no blue cones) | #00B2B8 | 0.086 |
| Achromatopsia (no color) | #9E9E9E | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5DA5DC
#5DA5DC
oklch(69.7% 0.109 243.3)
- #CD8E51
#CD8E51
oklch(69.7% 0.109 63.5)
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 #5DA5DC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.056
- Greyblue #77A1B5 ΔE 0.059
- Chefchaouen Blue #4895EF ΔE 0.062
- Turquoise Blue #06B1C4 ΔE 0.069
- Bluegrey #85A3B2 ΔE 0.071
- Dark Sky Blue #448EE4 ΔE 0.074
- Faded Blue #658CBB ΔE 0.074
- Bluey Grey #89A0B0 ΔE 0.074
Use #5DA5DC 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.