#478EAE
Closest named color: Dusty Blue (#5A86AD). oklch(61.4% 0.086 229.8), rgb(71, 142, 174).
Aa
Black text reads best on this color (5.74:1).
About this color
#478EAE is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 61%, its chroma 0.086 and its hue 230°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.027 away. Black text reads best on it, at 5.74:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.74:1 |
| White text | 3.65:1 |
Values
| HEX | #478EAE |
| RGB | rgb(71, 142, 174) |
| HSL | hsl(199, 42%, 48%) |
| OKLCH | oklch(61.4% 0.086 229.8) |
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 #478EAE | 3.65:1 | AA large text | Lc -69.4 | Content text, not long reading |
| Black text on #478EAE | 5.74:1 | AA | Lc 40.1 | Non-text elements, placeholder text |
| #478EAE text on white | 3.65:1 | AA large text | Lc 63.9 | Content text, not long reading |
| #478EAE text on black | 5.74:1 | AA | Lc -37.7 | 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 500.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECF0
oklch(93.7% 0.012 223.5)
-
Step 200
200
#CADCE6
oklch(88.4% 0.024 231.9)
-
Step 300
300
#A6C6D7
oklch(80.9% 0.042 231.1)
-
Step 400
400
#74A9C3
oklch(70.7% 0.068 230.1)
-
Step 500
500 (this color)
#478EAE
oklch(61.4% 0.086 229.8)
-
Step 600
600
#2B7D9F
oklch(55.6% 0.093 229.7)
-
Step 700
700
#1C6988
oklch(49% 0.087 229.9)
-
Step 800
800
#1B566F
oklch(42.7% 0.072 230.2)
-
Step 900
900
#1D475A
oklch(37.7% 0.057 230.4)
-
Step 950
950
#122A34
oklch(27.1% 0.035 227.4)
#478EAE 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) | #7E8CB0 | 0.061 |
| Deuteranopia (no green cones) | #6F81AE | 0.053 |
| Tritanopia (no blue cones) | #009798 | 0.059 |
| Achromatopsia (no color) | #868686 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #478EAE
#478EAE
oklch(61.4% 0.086 229.8)
- #AE7555
#AE7555
oklch(61.4% 0.085 49.9)
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 #478EAE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.027
- Off Blue #5684AE ΔE 0.030
- Blue NCS #118AB2 ΔE 0.034
- Cool Blue #4984B8 ΔE 0.037
- Faded Blue #658CBB ΔE 0.039
- Steel Blue #4682B4 ΔE 0.039
- Teal Blue #01889F ΔE 0.047
- Blue Grey #758DA3 ΔE 0.050
Use #478EAE 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.