#5AA5DC
Closest named color: Cornflower Blue (#6495ED). oklch(69.6% 0.11 242.4), rgb(90, 165, 220).
Aa
Black text reads best on this color (7.85:1).
About this color
#5AA5DC is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.110 and its hue 242°. 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 7.85:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.85:1 |
| White text | 2.67:1 |
Values
| HEX | #5AA5DC |
| RGB | rgb(90, 165, 220) |
| HSL | hsl(205, 65%, 61%) |
| OKLCH | oklch(69.6% 0.11 242.4) |
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 #5AA5DC | 2.67:1 | Fails | Lc -57.0 | Large or bold text, headings |
| Black text on #5AA5DC | 7.85:1 | AAA | Lc 52.2 | Large or bold text, headings |
| #5AA5DC text on white | 2.67:1 | Fails | Lc 51.8 | Large or bold text, headings |
| #5AA5DC text on black | 7.85:1 | AAA | Lc -50.1 | 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
#9AC7EA
oklch(81% 0.069 242.1)
-
Step 400
400 (this color)
#5AA5DC
oklch(69.6% 0.11 242.4)
-
Step 500
500
#1F91D7
oklch(63% 0.142 242.6)
-
Step 600
600
#007ABA
oklch(55.6% 0.133 242.5)
-
Step 700
700
#00669D
oklch(49% 0.118 242.7)
-
Step 800
800
#005482
oklch(42.8% 0.102 242.4)
-
Step 900
900
#00466D
oklch(37.8% 0.09 242.2)
-
Step 950
950
#052940
oklch(26.9% 0.058 242)
#5AA5DC 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) | #8DA5DF | 0.056 |
| Deuteranopia (no green cones) | #7B98DB | 0.045 |
| Tritanopia (no blue cones) | #00B2B8 | 0.085 |
| Achromatopsia (no color) | #9E9E9E | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5AA5DC
#5AA5DC
oklch(69.6% 0.11 242.4)
- #CE8D50
#CE8D50
oklch(69.6% 0.111 62.5)
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 #5AA5DC, 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 0.060
- Chefchaouen Blue #4895EF ΔE 0.061
- Turquoise Blue #06B1C4 ΔE 0.068
- Bluegrey #85A3B2 ΔE 0.072
- Dark Sky Blue #448EE4 ΔE 0.073
- Faded Blue #658CBB ΔE 0.074
- Bluey Grey #89A0B0 ΔE 0.076
Use #5AA5DC 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.