#477D8D
Closest named color: Cerulean (#457B9D). oklch(55.9% 0.062 219), rgb(71, 125, 141).
Aa
Black text reads best on this color (4.58:1).
About this color
#477D8D is a medium-dark, muted teal or cyan. In OKLCH its lightness is 56%, its chroma 0.062 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean (#457B9D), ΔE 0.028 away. Black text reads best on it, at 4.58:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.062) |
| Temperature | cool |
| Nearest name | Cerulean (#457B9D) |
| Black text | 4.58:1 |
| White text | 4.57:1 |
Values
| HEX | #477D8D |
| RGB | rgb(71, 125, 141) |
| HSL | hsl(194, 33%, 42%) |
| OKLCH | oklch(55.9% 0.062 219) |
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 #477D8D | 4.57:1 | AA | Lc -77.2 | Fine for body text |
| Black text on #477D8D | 4.58:1 | AA | Lc 32.4 | Non-text elements, placeholder text |
| #477D8D text on white | 4.57:1 | AA | Lc 71.7 | Content text, not long reading |
| #477D8D text on black | 4.58:1 | AA | Lc -30.0 | Dividers and decoration only |
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 600.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBED
oklch(93.5% 0.008 216.6)
-
Step 200
200
#CEDCE0
oklch(88.5% 0.016 216.7)
-
Step 300
300
#ADC5CD
oklch(80.8% 0.028 219.8)
-
Step 400
400
#82A8B4
oklch(70.8% 0.045 219.1)
-
Step 500
500
#6192A1
oklch(63.1% 0.057 219.1)
-
Step 600
600 (this color)
#477D8D
oklch(55.9% 0.062 219)
-
Step 700
700
#376977
oklch(49.2% 0.058 218.2)
-
Step 800
800
#2E5561
oklch(42.6% 0.048 219.9)
-
Step 900
900
#2A464F
oklch(37.6% 0.037 220.3)
-
Step 950
950
#19292E
oklch(26.9% 0.023 219.4)
#477D8D 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) | #737A8E | 0.054 |
| Deuteranopia (no green cones) | #68728D | 0.048 |
| Tritanopia (no blue cones) | #228382 | 0.040 |
| Achromatopsia (no color) | #757575 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #477D8D
#477D8D
oklch(55.9% 0.062 219)
- #946859
#946859
oklch(55.9% 0.062 39.6)
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 #477D8D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean #457B9D ΔE 0.028
- Stormy Blue #507B9C ΔE 0.029
- Metallic Blue #4F738E ΔE 0.031
- Grey Blue #647D8E ΔE 0.033
- Dull Blue #49759C ΔE 0.039
- Ocean #017B92 ΔE 0.040
- Battleship Grey #6B7C85 ΔE 0.042
- Teal Blue #01889F ΔE 0.044
Use #477D8D 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.