#478097
Closest named color: Cerulean (#457B9D). oklch(57% 0.07 226.3), rgb(71, 128, 151).
Aa
Black text reads best on this color (4.80:1).
About this color
#478097 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 57%, its chroma 0.070 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean (#457B9D), ΔE 0.020 away. Black text reads best on it, at 4.80:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (57%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | Cerulean (#457B9D) |
| Black text | 4.80:1 |
| White text | 4.37:1 |
Values
| HEX | #478097 |
| RGB | rgb(71, 128, 151) |
| HSL | hsl(197, 36%, 44%) |
| OKLCH | oklch(57% 0.07 226.3) |
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 #478097 | 4.37:1 | AA large text | Lc -75.7 | Fine for body text |
| Black text on #478097 | 4.80:1 | AA | Lc 33.9 | Non-text elements, placeholder text |
| #478097 text on white | 4.37:1 | AA large text | Lc 70.2 | Content text, not long reading |
| #478097 text on black | 4.80:1 | AA | Lc -31.5 | 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
#E4EBEE
oklch(93.6% 0.009 225.1)
-
Step 200
200
#CEDCE2
oklch(88.6% 0.017 225.2)
-
Step 300
300
#ACC5D0
oklch(80.8% 0.031 226.1)
-
Step 400
400
#80A8B9
oklch(70.8% 0.05 225.9)
-
Step 500
500
#5E92A7
oklch(63.1% 0.064 225.5)
-
Step 600
600 (this color)
#478097
oklch(57% 0.07 226.3)
-
Step 700
700
#34687D
oklch(49% 0.065 226.7)
-
Step 800
800
#2C5566
oklch(42.7% 0.054 227.1)
-
Step 900
900
#284653
oklch(37.6% 0.042 227.6)
-
Step 950
950
#182930
oklch(26.9% 0.026 225.8)
#478097 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) | #747E98 | 0.054 |
| Deuteranopia (no green cones) | #687597 | 0.047 |
| Tritanopia (no blue cones) | #148787 | 0.049 |
| Achromatopsia (no color) | #797979 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #478097
#478097
oklch(57% 0.07 226.3)
- #9A6B54
#9A6B54
oklch(57.1% 0.069 47)
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 #478097, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cerulean #457B9D ΔE 0.020
- Stormy Blue #507B9C ΔE 0.020
- Grey Blue #647D8E ΔE 0.033
- Dull Blue #49759C ΔE 0.036
- Teal Blue #01889F ΔE 0.037
- Metallic Blue #4F738E ΔE 0.037
- Off Blue #5684AE ΔE 0.041
- Dusty Blue #5A86AD ΔE 0.043
Use #478097 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.