#478FA7
Closest named color: Dusty Blue (#5A86AD). oklch(61.3% 0.08 222.3), rgb(71, 143, 167).
Aa
Black text reads best on this color (5.75:1).
About this color
#478FA7 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 61%, its chroma 0.080 and its hue 222°. 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 5.75:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.080) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.75:1 |
| White text | 3.64:1 |
Values
| HEX | #478FA7 |
| RGB | rgb(71, 143, 167) |
| HSL | hsl(195, 40%, 47%) |
| OKLCH | oklch(61.3% 0.08 222.3) |
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 #478FA7 | 3.64:1 | AA large text | Lc -69.4 | Content text, not long reading |
| Black text on #478FA7 | 5.75:1 | AA | Lc 40.2 | Non-text elements, placeholder text |
| #478FA7 text on white | 3.64:1 | AA large text | Lc 63.9 | Content text, not long reading |
| #478FA7 text on black | 5.75:1 | AA | Lc -37.8 | 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
#CADDE4
oklch(88.5% 0.023 221.8)
-
Step 300
300
#A6C7D3
oklch(80.9% 0.039 221.9)
-
Step 400
400
#74AABD
oklch(70.7% 0.063 222)
-
Step 500
500 (this color)
#478FA7
oklch(61.3% 0.08 222.3)
-
Step 600
600
#2B7E98
oklch(55.5% 0.087 222.7)
-
Step 700
700
#1C6B82
oklch(49.2% 0.081 222)
-
Step 800
800
#1B5769
oklch(42.7% 0.067 221.8)
-
Step 900
900
#1D4856
oklch(37.8% 0.053 222.3)
-
Step 950
950
#122A32
oklch(26.9% 0.033 222)
#478FA7 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) | #818CA8 | 0.065 |
| Deuteranopia (no green cones) | #7381A7 | 0.059 |
| Tritanopia (no blue cones) | #009797 | 0.050 |
| Achromatopsia (no color) | #868686 | 0.081 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #478FA7
#478FA7
oklch(61.3% 0.08 222.3)
- #AE745D
#AE745D
oklch(61.4% 0.081 42.4)
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 #478FA7, 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 0.044
- Teal Green #0A9396 ΔE 0.045
- Cool Blue #4984B8 ΔE 0.047
- Faded Blue #658CBB ΔE 0.047
- Steel Blue #4682B4 ΔE 0.048
Use #478FA7 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.