#477CEC
Closest named color: Clear Blue (#247AFD). oklch(60.8% 0.178 263.1), rgb(71, 124, 236).
Aa
Black text reads best on this color (5.36:1).
About this color
#477CEC is a medium-dark, vivid blue. In OKLCH its lightness is 61%, its chroma 0.178 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.035 away. Black text reads best on it, at 5.36:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.178) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.36:1 |
| White text | 3.91:1 |
Values
| HEX | #477CEC |
| RGB | rgb(71, 124, 236) |
| HSL | hsl(221, 81%, 60%) |
| OKLCH | oklch(60.8% 0.178 263.1) |
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 #477CEC | 3.91:1 | AA large text | Lc -71.7 | Content text, not long reading |
| Black text on #477CEC | 5.36:1 | AA | Lc 37.9 | Non-text elements, placeholder text |
| #477CEC text on white | 3.91:1 | AA large text | Lc 66.2 | Content text, not long reading |
| #477CEC text on black | 5.36:1 | AA | Lc -35.5 | Non-text elements, placeholder text |
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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFB
oklch(93.5% 0.025 263.3)
-
Step 200
200
#C9DAFA
oklch(88.6% 0.048 263.1)
-
Step 300
300
#A3C1FA
oklch(80.9% 0.087 263)
-
Step 400
400
#729EF7
oklch(70.6% 0.14 263.3)
-
Step 500
500 (this color)
#477CEC
oklch(60.8% 0.178 263.1)
-
Step 600
600
#3269E3
oklch(55.5% 0.195 263.2)
-
Step 700
700
#2557C5
oklch(49.1% 0.18 263)
-
Step 800
800
#20489F
oklch(42.7% 0.149 263)
-
Step 900
900
#1F3D7E
oklch(37.6% 0.116 263.3)
-
Step 950
950
#12244A
oklch(26.9% 0.075 263.2)
#477CEC 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) | #3F89F0 | 0.033 |
| Deuteranopia (no green cones) | #117AEA | 0.033 |
| Tritanopia (no blue cones) | #0096A9 | 0.142 |
| Achromatopsia (no color) | #818181 | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #477CEC
#477CEC
oklch(60.8% 0.178 263.1)
- #A77A00
#A77A00
oklch(60.8% 0.125 82.6)
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 #477CEC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.035
- Cornflower #6A79F7 ΔE 0.042
- Soft Blue #6488EA ΔE 0.047
- Dark Sky Blue #448EE4 ΔE 0.051
- Royal Blue #4169E1 ΔE 0.051
- Dodger Blue #1E90FF ΔE 0.055
- Cerulean Blue #056EEE ΔE 0.056
- Chefchaouen Blue #4895EF ΔE 0.066
Use #477CEC 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.