#478FBE
Closest named color: Faded Blue (#658CBB). oklch(62.4% 0.101 239.8), rgb(71, 143, 190).
Aa
Black text reads best on this color (5.94:1).
About this color
#478FBE is a medium-light, moderately saturated blue. In OKLCH its lightness is 62%, its chroma 0.101 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.029 away. Black text reads best on it, at 5.94:1.
| Hue family | Blues |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 5.94:1 |
| White text | 3.53:1 |
Values
| HEX | #478FBE |
| RGB | rgb(71, 143, 190) |
| HSL | hsl(204, 48%, 51%) |
| OKLCH | oklch(62.4% 0.101 239.8) |
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 #478FBE | 3.53:1 | AA large text | Lc -68.2 | Content text, not long reading |
| Black text on #478FBE | 5.94:1 | AA | Lc 41.4 | Non-text elements, placeholder text |
| #478FBE text on white | 3.53:1 | AA large text | Lc 62.7 | Content text, not long reading |
| #478FBE text on black | 5.94:1 | AA | Lc -39.0 | 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
#E2EBF3
oklch(93.6% 0.015 244.7)
-
Step 200
200
#CADCEA
oklch(88.5% 0.027 241.2)
-
Step 300
300
#A4C6DE
oklch(81% 0.05 239)
-
Step 400
400
#72A8CD
oklch(70.8% 0.079 239.3)
-
Step 500
500 (this color)
#478FBE
oklch(62.4% 0.101 239.8)
-
Step 600
600
#277BAD
oklch(55.7% 0.11 239.8)
-
Step 700
700
#186794
oklch(49% 0.102 239.8)
-
Step 800
800
#185478
oklch(42.6% 0.084 240)
-
Step 900
900
#1B4661
oklch(37.7% 0.066 239.5)
-
Step 950
950
#112939
oklch(27% 0.042 240.1)
#478FBE 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) | #7A8FC0 | 0.055 |
| Deuteranopia (no green cones) | #6983BD | 0.045 |
| Tritanopia (no blue cones) | #009B9F | 0.074 |
| Achromatopsia (no color) | #888888 | 0.101 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #478FBE
#478FBE
oklch(62.4% 0.101 239.8)
- #B47844
#B47844
oklch(62.4% 0.101 60.2)
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 #478FBE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.029
- Cool Blue #4984B8 ΔE 0.030
- Dusty Blue #5A86AD ΔE 0.033
- Off Blue #5684AE ΔE 0.035
- Steel Blue #4682B4 ΔE 0.037
- Blue NCS #118AB2 ΔE 0.040
- Water Blue #0E87CC ΔE 0.047
- Silver Lake Blue #778DA9 ΔE 0.057
Use #478FBE 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.