#477CE9
Closest named color: Clear Blue (#247AFD). oklch(60.6% 0.174 262.8), rgb(71, 124, 233).
Aa
Black text reads best on this color (5.32:1).
About this color
#477CE9 is a medium-dark, vivid blue. In OKLCH its lightness is 61%, its chroma 0.174 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Clear Blue (#247AFD), ΔE 0.039 away. Black text reads best on it, at 5.32:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | vivid (0.174) |
| Temperature | cool |
| Nearest name | Clear Blue (#247AFD) |
| Black text | 5.32:1 |
| White text | 3.94:1 |
Values
| HEX | #477CE9 |
| RGB | rgb(71, 124, 233) |
| HSL | hsl(220, 79%, 60%) |
| OKLCH | oklch(60.6% 0.174 262.8) |
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 #477CE9 | 3.94:1 | AA large text | Lc -71.9 | Content text, not long reading |
| Black text on #477CE9 | 5.32:1 | AA | Lc 37.6 | Non-text elements, placeholder text |
| #477CE9 text on white | 3.94:1 | AA large text | Lc 66.4 | Content text, not long reading |
| #477CE9 text on black | 5.32:1 | AA | Lc -35.2 | 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
#F1F6FD
oklch(97.1% 0.011 256.7)
-
Step 100
100
#E1EAFB
oklch(93.5% 0.025 263.3)
-
Step 200
200
#C9DAF9
oklch(88.5% 0.047 262.5)
-
Step 300
300
#A3C1F9
oklch(80.9% 0.086 262.7)
-
Step 400
400
#729FF5
oklch(70.7% 0.136 262.5)
-
Step 500
500 (this color)
#477CE9
oklch(60.6% 0.174 262.8)
-
Step 600
600
#336AE0
oklch(55.6% 0.19 262.9)
-
Step 700
700
#2658C3
oklch(49.2% 0.176 262.8)
-
Step 800
800
#20489D
oklch(42.6% 0.146 262.8)
-
Step 900
900
#1F3E7D
oklch(37.8% 0.113 262.6)
-
Step 950
950
#132549
oklch(27.1% 0.071 262.6)
#477CE9 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) | #4288ED | 0.030 |
| Deuteranopia (no green cones) | #1B79E7 | 0.032 |
| Tritanopia (no blue cones) | #0096A7 | 0.141 |
| Achromatopsia (no color) | #808080 | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #477CE9
#477CE9
oklch(60.6% 0.174 262.8)
- #A67A00
#A67A00
oklch(60.7% 0.125 83.2)
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 #477CE9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Clear Blue #247AFD ΔE 0.039
- Cornflower #6A79F7 ΔE 0.045
- Soft Blue #6488EA ΔE 0.047
- Dark Sky Blue #448EE4 ΔE 0.049
- Royal Blue #4169E1 ΔE 0.050
- Cerulean Blue #056EEE ΔE 0.056
- Dodger Blue #1E90FF ΔE 0.057
- Water Blue #0E87CC ΔE 0.065
Use #477CE9 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.