#477B81
Closest named color: Metallic Blue (#4F738E). oklch(54.9% 0.056 205.2), rgb(71, 123, 129).
Aa
White text reads best on this color (4.75:1).
About this color
#477B81 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 55%, its chroma 0.056 and its hue 205°. Its hue sits on the cool side of the wheel. The nearest named color is Metallic Blue (#4F738E), ΔE 0.037 away. White text reads best on it, at 4.75:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (55%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Metallic Blue (#4F738E) |
| Black text | 4.41:1 |
| White text | 4.75:1 |
Values
| HEX | #477B81 |
| RGB | rgb(71, 123, 129) |
| HSL | hsl(186, 29%, 39%) |
| OKLCH | oklch(54.9% 0.056 205.2) |
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 #477B81 | 4.75:1 | AA | Lc -78.3 | Fine for body text |
| Black text on #477B81 | 4.41:1 | AA large text | Lc 31.2 | Non-text elements, placeholder text |
| #477B81 text on white | 4.75:1 | AA | Lc 72.9 | Content text, not long reading |
| #477B81 text on black | 4.41:1 | AA large text | Lc -28.8 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E5EBEC
oklch(93.6% 0.007 208.8)
-
Step 200
200
#CFDCDD
oklch(88.5% 0.014 202.4)
-
Step 300
300
#AFC6C8
oklch(81% 0.025 203)
-
Step 400
400
#83A8AD
oklch(70.6% 0.041 206.5)
-
Step 500
500
#639398
oklch(63.1% 0.052 204.2)
-
Step 600
600 (this color)
#477B81
oklch(54.9% 0.056 205.2)
-
Step 700
700
#3A696F
oklch(49% 0.052 206.2)
-
Step 800
800
#30565A
oklch(42.7% 0.044 204.3)
-
Step 900
900
#2B474A
oklch(37.7% 0.034 204.4)
-
Step 950
950
#1A2A2B
oklch(27.1% 0.021 200.9)
#477B81 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) | #747781 | 0.056 |
| Deuteranopia (no green cones) | #6A7081 | 0.051 |
| Tritanopia (no blue cones) | #2B7F7D | 0.027 |
| Achromatopsia (no color) | #737373 | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #477B81
#477B81
oklch(54.9% 0.056 205.2)
- #906561
#906561
oklch(55% 0.056 25)
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 #477B81, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Metallic Blue #4F738E ΔE 0.037
- Teal #008080 ΔE 0.039
- Deep Aqua #08787F ΔE 0.041
- Grey Blue #647D8E ΔE 0.042
- Bluegreen #017A79 ΔE 0.044
- Ocean #017B92 ΔE 0.044
- Cerulean #457B9D ΔE 0.045
- Battleship Grey #6B7C85 ΔE 0.045
Use #477B81 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.