#55A0DC
Closest named color: Cornflower Blue (#6495ED). oklch(68.3% 0.116 244.8), rgb(85, 160, 220).
Aa
Black text reads best on this color (7.44:1).
About this color
#55A0DC is a medium-light, moderately saturated blue. In OKLCH its lightness is 68%, its chroma 0.116 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.045 away. Black text reads best on it, at 7.44:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.116) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.44:1 |
| White text | 2.81:1 |
Values
| HEX | #55A0DC |
| RGB | rgb(85, 160, 220) |
| HSL | hsl(207, 66%, 60%) |
| OKLCH | oklch(68.3% 0.116 244.8) |
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 #55A0DC | 2.81:1 | Fails | Lc -59.2 | Large or bold text, headings |
| Black text on #55A0DC | 7.44:1 | AAA | Lc 50.1 | Large or bold text, headings |
| #55A0DC text on white | 2.81:1 | Fails | Lc 54.0 | Large or bold text, headings |
| #55A0DC text on black | 7.44:1 | AAA | Lc -47.9 | 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
#DFECF7
oklch(93.7% 0.02 243.4)
-
Step 200
200
#C4DDF3
oklch(88.6% 0.04 244.8)
-
Step 300
300
#99C6ED
oklch(80.8% 0.073 245)
-
Step 400
400 (this color)
#55A0DC
oklch(68.3% 0.116 244.8)
-
Step 500
500
#1E90DC
oklch(63.1% 0.148 244.8)
-
Step 600
600
#0079BF
oklch(55.7% 0.14 245)
-
Step 700
700
#0065A1
oklch(49% 0.124 245.1)
-
Step 800
800
#005385
oklch(42.7% 0.107 244.8)
-
Step 900
900
#004570
oklch(37.7% 0.095 244.9)
-
Step 950
950
#052942
oklch(27.1% 0.061 244.2)
#55A0DC 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) | #86A1DF | 0.053 |
| Deuteranopia (no green cones) | #7394DB | 0.041 |
| Tritanopia (no blue cones) | #00AEB5 | 0.089 |
| Achromatopsia (no color) | #9A9A9A | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #55A0DC
#55A0DC
oklch(68.3% 0.116 244.8)
- #CA8944
#CA8944
oklch(68.3% 0.116 65.2)
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 #55A0DC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.045
- Chefchaouen Blue #4895EF ΔE 0.048
- Dark Sky Blue #448EE4 ΔE 0.057
- Faded Blue #658CBB ΔE 0.064
- Greyblue #77A1B5 ΔE 0.066
- Soft Blue #6488EA ΔE 0.072
- Turquoise Blue #06B1C4 ΔE 0.075
- Bluegrey #85A3B2 ΔE 0.080
Use #55A0DC 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.