#477B98
Closest named color: Cerulean (#457B9D). oklch(55.8% 0.072 234.5), rgb(71, 123, 152).
Aa
White text reads best on this color (4.61:1).
About this color
#477B98 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 56%, its chroma 0.072 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean (#457B9D), ΔE 0.008 away. White text reads best on it, at 4.61:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Cerulean (#457B9D) |
| Black text | 4.55:1 |
| White text | 4.61:1 |
Values
| HEX | #477B98 |
| RGB | rgb(71, 123, 152) |
| HSL | hsl(201, 36%, 44%) |
| OKLCH | oklch(55.8% 0.072 234.5) |
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 #477B98 | 4.61:1 | AA | Lc -77.4 | Fine for body text |
| Black text on #477B98 | 4.55:1 | AA | Lc 32.2 | Non-text elements, placeholder text |
| #477B98 text on white | 4.61:1 | AA | Lc 71.9 | Content text, not long reading |
| #477B98 text on black | 4.55:1 | AA | Lc -29.8 | 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
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E4EBEF
oklch(93.6% 0.009 232.4)
-
Step 200
200
#CEDBE3
oklch(88.4% 0.018 234.5)
-
Step 300
300
#ADC5D3
oklch(81% 0.033 233.4)
-
Step 400
400
#81A6BC
oklch(70.6% 0.052 234.6)
-
Step 500
500
#6190AC
oklch(63% 0.066 235.4)
-
Step 600
600 (this color)
#477B98
oklch(55.8% 0.072 234.5)
-
Step 700
700
#376781
oklch(49.1% 0.067 234.1)
-
Step 800
800
#2E5469
oklch(42.7% 0.056 234.3)
-
Step 900
900
#2A4555
oklch(37.6% 0.043 235.6)
-
Step 950
950
#192932
oklch(27.1% 0.027 233.8)
#477B98 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) | #6D7A99 | 0.046 |
| Deuteranopia (no green cones) | #627198 | 0.040 |
| Tritanopia (no blue cones) | #168385 | 0.055 |
| Achromatopsia (no color) | #757575 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #477B98
#477B98
oklch(55.8% 0.072 234.5)
- #95694B
#95694B
oklch(55.9% 0.071 55)
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 #477B98, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean #457B9D ΔE 0.008
- Stormy Blue #507B9C ΔE 0.012
- Dull Blue #49759C ΔE 0.021
- Metallic Blue #4F738E ΔE 0.024
- Grey Blue #647D8E ΔE 0.037
- Muted Blue #3B719F ΔE 0.038
- Ocean #017B92 ΔE 0.041
- Flat Blue #3C73A8 ΔE 0.041
Use #477B98 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.