#478DA3
Closest named color: Dusty Blue (#5A86AD). oklch(60.7% 0.078 220.9), rgb(71, 141, 163).
Aa
Black text reads best on this color (5.60:1).
About this color
#478DA3 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 61%, its chroma 0.078 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.034 away. Black text reads best on it, at 5.60:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.60:1 |
| White text | 3.74:1 |
Values
| HEX | #478DA3 |
| RGB | rgb(71, 141, 163) |
| HSL | hsl(194, 39%, 46%) |
| OKLCH | oklch(60.7% 0.078 220.9) |
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 #478DA3 | 3.74:1 | AA large text | Lc -70.3 | Content text, not long reading |
| Black text on #478DA3 | 5.60:1 | AA | Lc 39.2 | Non-text elements, placeholder text |
| #478DA3 text on white | 3.74:1 | AA large text | Lc 64.8 | Content text, not long reading |
| #478DA3 text on black | 5.60:1 | AA | Lc -36.8 | 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 500.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECEF
oklch(93.6% 0.011 217.5)
-
Step 200
200
#CBDDE3
oklch(88.6% 0.021 219.7)
-
Step 300
300
#A7C7D2
oklch(81% 0.038 220.6)
-
Step 400
400
#75AABB
oklch(70.7% 0.061 219.9)
-
Step 500
500 (this color)
#478DA3
oklch(60.7% 0.078 220.9)
-
Step 600
600
#2E7E96
oklch(55.5% 0.084 221.4)
-
Step 700
700
#1F6B80
oklch(49.2% 0.079 220.4)
-
Step 800
800
#1D5768
oklch(42.7% 0.065 220.9)
-
Step 900
900
#1E4855
oklch(37.8% 0.051 221)
-
Step 950
950
#132A31
oklch(27% 0.032 219.8)
#478DA3 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) | #808AA4 | 0.065 |
| Deuteranopia (no green cones) | #7280A3 | 0.057 |
| Tritanopia (no blue cones) | #009494 | 0.048 |
| Achromatopsia (no color) | #848484 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #478DA3
#478DA3
oklch(60.7% 0.078 220.9)
- #AA725E
#AA725E
oklch(60.5% 0.077 40.4)
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 #478DA3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.034
- Off Blue #5684AE ΔE 0.038
- Blue NCS #118AB2 ΔE 0.039
- Teal Blue #01889F ΔE 0.039
- Teal Green #0A9396 ΔE 0.043
- Steel Blue #4682B4 ΔE 0.047
- Cool Blue #4984B8 ΔE 0.048
- Dusty Teal #4C9085 ΔE 0.050
Use #478DA3 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.