#479CD9
Closest named color: Chefchaouen Blue (#4895EF). oklch(66.7% 0.122 242.9), rgb(71, 156, 217).
Aa
Black text reads best on this color (7.02:1).
About this color
#479CD9 is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.122 and its hue 243°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.042 away. Black text reads best on it, at 7.02:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.122) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 7.02:1 |
| White text | 2.98:1 |
Values
| HEX | #479CD9 |
| RGB | rgb(71, 156, 217) |
| HSL | hsl(205, 66%, 56%) |
| OKLCH | oklch(66.7% 0.122 242.9) |
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 #479CD9 | 2.98:1 | Fails | Lc -61.6 | Content text, not long reading |
| Black text on #479CD9 | 7.02:1 | AAA | Lc 47.8 | Large or bold text, headings |
| #479CD9 text on white | 2.98:1 | Fails | Lc 56.3 | Large or bold text, headings |
| #479CD9 text on black | 7.02:1 | AAA | Lc -45.5 | 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 500.
-
Step 50
50
#F1F6FA
oklch(97.1% 0.008 241.7)
-
Step 100
100
#E0ECF5
oklch(93.7% 0.018 240)
-
Step 200
200
#C7DCEE
oklch(88.4% 0.034 244)
-
Step 300
300
#A0C6E5
oklch(81% 0.06 243.2)
-
Step 400
400
#69A8D8
oklch(70.8% 0.096 242.6)
-
Step 500
500 (this color)
#479CD9
oklch(66.7% 0.122 242.9)
-
Step 600
600
#057ABA
oklch(55.6% 0.133 242.8)
-
Step 700
700
#00669E
oklch(49% 0.119 243.2)
-
Step 800
800
#025482
oklch(42.8% 0.102 242.7)
-
Step 900
900
#114568
oklch(37.6% 0.08 243.2)
-
Step 950
950
#0D293D
oklch(27% 0.05 242.9)
#479CD9 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) | #809DDC | 0.058 |
| Deuteranopia (no green cones) | #6C8FD8 | 0.046 |
| Tritanopia (no blue cones) | #00ABB1 | 0.089 |
| Achromatopsia (no color) | #959595 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #479CD9
#479CD9
oklch(66.7% 0.122 242.9)
- #C9823B
#C9823B
oklch(66.7% 0.123 62.7)
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 #479CD9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.042
- Dark Sky Blue #448EE4 ΔE 0.046
- Cornflower Blue #6495ED ΔE 0.047
- Faded Blue #658CBB ΔE 0.057
- Soft Blue #6488EA ΔE 0.068
- Water Blue #0E87CC ΔE 0.071
- Greyblue #77A1B5 ΔE 0.073
- Cool Blue #4984B8 ΔE 0.075
Use #479CD9 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.