#478FB6
Closest named color: Dusty Blue (#5A86AD). oklch(62% 0.093 234.7), rgb(71, 143, 182).
Aa
Black text reads best on this color (5.87:1).
About this color
#478FB6 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 62%, its chroma 0.093 and its hue 235°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Blue (#5A86AD), ΔE 0.028 away. Black text reads best on it, at 5.87:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Dusty Blue (#5A86AD) |
| Black text | 5.87:1 |
| White text | 3.57:1 |
Values
| HEX | #478FB6 |
| RGB | rgb(71, 143, 182) |
| HSL | hsl(201, 44%, 50%) |
| OKLCH | oklch(62% 0.093 234.7) |
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 #478FB6 | 3.57:1 | AA large text | Lc -68.6 | Content text, not long reading |
| Black text on #478FB6 | 5.87:1 | AA | Lc 40.9 | Non-text elements, placeholder text |
| #478FB6 text on white | 3.57:1 | AA large text | Lc 63.1 | Content text, not long reading |
| #478FB6 text on black | 5.87:1 | AA | Lc -38.5 | 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 500.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF1
oklch(93.5% 0.013 236.6)
-
Step 200
200
#CADCE8
oklch(88.5% 0.025 236.9)
-
Step 300
300
#A5C6DA
oklch(80.9% 0.045 234.7)
-
Step 400
400
#73A8C8
oklch(70.6% 0.073 235.7)
-
Step 500
500 (this color)
#478FB6
oklch(62% 0.093 234.7)
-
Step 600
600
#287CA6
oklch(55.6% 0.102 235)
-
Step 700
700
#19688E
oklch(49% 0.094 235.1)
-
Step 800
800
#195573
oklch(42.6% 0.078 234.9)
-
Step 900
900
#1C475D
oklch(37.8% 0.06 233.9)
-
Step 950
950
#122936
oklch(26.9% 0.038 235.3)
#478FB6 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) | #7C8EB8 | 0.058 |
| Deuteranopia (no green cones) | #6D82B5 | 0.050 |
| Tritanopia (no blue cones) | #00999C | 0.065 |
| Achromatopsia (no color) | #878787 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #478FB6
#478FB6
oklch(62% 0.093 234.7)
- #B2764E
#B2764E
oklch(62% 0.094 53.8)
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 #478FB6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Blue #5A86AD ΔE 0.028
- Off Blue #5684AE ΔE 0.031
- Faded Blue #658CBB ΔE 0.032
- Cool Blue #4984B8 ΔE 0.033
- Blue NCS #118AB2 ΔE 0.036
- Steel Blue #4682B4 ΔE 0.037
- Silver Lake Blue #778DA9 ΔE 0.052
- Blue Grey #758DA3 ΔE 0.053
Use #478FB6 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.