#477998
Closest named color: Cerulean (#457B9D). oklch(55.4% 0.073 237.3), rgb(71, 121, 152).
Aa
White text reads best on this color (4.71:1).
About this color
#477998 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 55%, its chroma 0.073 and its hue 237°. 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 4.71:1.
| Hue family | Blues |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Cerulean (#457B9D) |
| Black text | 4.45:1 |
| White text | 4.71:1 |
Values
| HEX | #477998 |
| RGB | rgb(71, 121, 152) |
| HSL | hsl(203, 36%, 44%) |
| OKLCH | oklch(55.4% 0.073 237.3) |
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 #477998 | 4.71:1 | AA | Lc -78.0 | Fine for body text |
| Black text on #477998 | 4.45:1 | AA large text | Lc 31.5 | Non-text elements, placeholder text |
| #477998 text on white | 4.71:1 | AA | Lc 72.6 | Content text, not long reading |
| #477998 text on black | 4.45:1 | AA large text | Lc -29.1 | 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
#CFDBE4
oklch(88.5% 0.018 240)
-
Step 300
300
#AEC4D3
oklch(80.8% 0.032 237.7)
-
Step 400
400
#82A6BE
oklch(70.7% 0.053 237.7)
-
Step 500
500
#6290AD
oklch(63.1% 0.066 236.9)
-
Step 600
600 (this color)
#477998
oklch(55.4% 0.073 237.3)
-
Step 700
700
#396682
oklch(49% 0.067 237.6)
-
Step 800
800
#2F546A
oklch(42.8% 0.056 236.2)
-
Step 900
900
#2A4556
oklch(37.6% 0.044 237.2)
-
Step 950
950
#192932
oklch(27.1% 0.027 233.8)
#477998 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) | #6B789A | 0.044 |
| Deuteranopia (no green cones) | #607097 | 0.037 |
| Tritanopia (no blue cones) | #178183 | 0.058 |
| Achromatopsia (no color) | #737373 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #477998
#477998
oklch(55.4% 0.073 237.3)
- #936847
#936847
oklch(55.4% 0.073 58.1)
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 #477998, 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 0.013
- Dull Blue #49759C ΔE 0.015
- Metallic Blue #4F738E ΔE 0.020
- Muted Blue #3B719F ΔE 0.032
- Flat Blue #3C73A8 ΔE 0.036
- Grey Blue #647D8E ΔE 0.040
- Ocean #017B92 ΔE 0.041
Use #477998 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.