#478399
Closest named color: Stormy Blue (#507B9C). oklch(57.8% 0.071 224.1), rgb(71, 131, 153).
Aa
Black text reads best on this color (4.97:1).
About this color
#478399 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 58%, its chroma 0.071 and its hue 224°. Its hue sits on the cool side of the wheel. The nearest named color is Stormy Blue (#507B9C), ΔE 0.026 away. Black text reads best on it, at 4.97:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Stormy Blue (#507B9C) |
| Black text | 4.97:1 |
| White text | 4.22:1 |
Values
| HEX | #478399 |
| RGB | rgb(71, 131, 153) |
| HSL | hsl(196, 37%, 44%) |
| OKLCH | oklch(57.8% 0.071 224.1) |
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 #478399 | 4.22:1 | AA large text | Lc -74.5 | Content text, not long reading |
| Black text on #478399 | 4.97:1 | AA | Lc 35.1 | Non-text elements, placeholder text |
| #478399 text on white | 4.22:1 | AA large text | Lc 69.0 | Content text, not long reading |
| #478399 text on black | 4.97:1 | AA | Lc -32.7 | 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
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E4EBEE
oklch(93.6% 0.009 225.1)
-
Step 200
200
#CDDCE2
oklch(88.5% 0.018 223.6)
-
Step 300
300
#ABC6D0
oklch(81% 0.032 222.1)
-
Step 400
400
#7EA8B8
oklch(70.7% 0.051 223.4)
-
Step 500
500
#5C92A7
oklch(63% 0.065 224.7)
-
Step 600
600 (this color)
#478399
oklch(57.8% 0.071 224.1)
-
Step 700
700
#32697C
oklch(49.2% 0.065 223.2)
-
Step 800
800
#2A5565
oklch(42.6% 0.055 224.7)
-
Step 900
900
#274752
oklch(37.8% 0.042 222.2)
-
Step 950
950
#172930
oklch(26.9% 0.027 224.6)
#478399 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) | #77809A | 0.057 |
| Deuteranopia (no green cones) | #6B7799 | 0.051 |
| Tritanopia (no blue cones) | #0F8A8A | 0.048 |
| Achromatopsia (no color) | #7B7B7B | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #478399
#478399
oklch(57.8% 0.071 224.1)
- #9E6C57
#9E6C57
oklch(57.8% 0.072 43.6)
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 #478399, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stormy Blue #507B9C ΔE 0.026
- Cerulean #457B9D ΔE 0.027
- Teal Blue #01889F ΔE 0.034
- Grey Blue #647D8E ΔE 0.034
- Off Blue #5684AE ΔE 0.038
- Dusty Blue #5A86AD ΔE 0.039
- Dull Blue #49759C ΔE 0.043
- Steel Blue #4682B4 ΔE 0.044
Use #478399 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.