#47809A
Closest named color: Cerulean (#457B9D). oklch(57.1% 0.072 229.4), rgb(71, 128, 154).
Aa
Black text reads best on this color (4.82:1).
About this color
#47809A is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 57%, its chroma 0.072 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean (#457B9D), ΔE 0.017 away. Black text reads best on it, at 4.82:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.072) |
| Temperature | cool |
| Nearest name | Cerulean (#457B9D) |
| Black text | 4.82:1 |
| White text | 4.35:1 |
Values
| HEX | #47809A |
| RGB | rgb(71, 128, 154) |
| HSL | hsl(199, 37%, 44%) |
| OKLCH | oklch(57.1% 0.072 229.4) |
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 #47809A | 4.35:1 | AA large text | Lc -75.5 | Fine for body text |
| Black text on #47809A | 4.82:1 | AA | Lc 34.0 | Non-text elements, placeholder text |
| #47809A text on white | 4.35:1 | AA large text | Lc 70.0 | Content text, not long reading |
| #47809A text on black | 4.82:1 | AA | Lc -31.6 | 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 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
#CEDCE3
oklch(88.6% 0.018 229)
-
Step 300
300
#ACC5D2
oklch(80.9% 0.033 230.4)
-
Step 400
400
#7FA7BB
oklch(70.6% 0.052 230)
-
Step 500
500
#5E91AA
oklch(63% 0.066 230.4)
-
Step 600
600 (this color)
#47809A
oklch(57.1% 0.072 229.4)
-
Step 700
700
#34687F
oklch(49.1% 0.067 229.1)
-
Step 800
800
#2C5567
oklch(42.8% 0.055 228.5)
-
Step 900
900
#284654
oklch(37.7% 0.043 229.5)
-
Step 950
950
#182931
oklch(27% 0.027 229.2)
#47809A 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) | #737E9B | 0.052 |
| Deuteranopia (no green cones) | #67759A | 0.046 |
| Tritanopia (no blue cones) | #0F8788 | 0.053 |
| Achromatopsia (no color) | #797979 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #47809A
#47809A
oklch(57.1% 0.072 229.4)
- #9B6B51
#9B6B51
oklch(57.1% 0.073 49.3)
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 #47809A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean #457B9D ΔE 0.017
- Stormy Blue #507B9C ΔE 0.018
- Dull Blue #49759C ΔE 0.034
- Grey Blue #647D8E ΔE 0.034
- Off Blue #5684AE ΔE 0.037
- Teal Blue #01889F ΔE 0.037
- Metallic Blue #4F738E ΔE 0.037
- Dusty Blue #5A86AD ΔE 0.039
Use #47809A 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.