#379BEA
Closest named color: Chefchaouen Blue (#4895EF). oklch(66.9% 0.148 246.7), rgb(55, 155, 234).
Aa
Black text reads best on this color (7.03:1).
About this color
#379BEA is a medium-light, vivid blue. In OKLCH its lightness is 67%, its chroma 0.148 and its hue 247°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.021 away. Black text reads best on it, at 7.03:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.148) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 7.03:1 |
| White text | 2.98:1 |
Values
| HEX | #379BEA |
| RGB | rgb(55, 155, 234) |
| HSL | hsl(206, 81%, 57%) |
| OKLCH | oklch(66.9% 0.148 246.7) |
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 #379BEA | 2.98:1 | Fails | Lc -61.4 | Content text, not long reading |
| Black text on #379BEA | 7.03:1 | AAA | Lc 48.0 | Large or bold text, headings |
| #379BEA text on white | 2.98:1 | Fails | Lc 56.1 | Large or bold text, headings |
| #379BEA text on black | 7.03:1 | AAA | Lc -45.7 | Large or bold text, headings |
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
#F0F6FC
oklch(97% 0.01 247.9)
-
Step 100
100
#DFECF7
oklch(93.7% 0.02 243.4)
-
Step 200
200
#C4DCF3
oklch(88.4% 0.041 247.1)
-
Step 300
300
#9BC6ED
oklch(80.9% 0.072 246.2)
-
Step 400
400
#60A7E5
oklch(70.8% 0.116 246.7)
-
Step 500
500 (this color)
#379BEA
oklch(66.9% 0.148 246.7)
-
Step 600
600
#0078C2
oklch(55.6% 0.145 246.5)
-
Step 700
700
#0065A4
oklch(49.2% 0.127 246.3)
-
Step 800
800
#005288
oklch(42.7% 0.112 246.9)
-
Step 900
900
#024471
oklch(37.6% 0.097 246.7)
-
Step 950
950
#072842
oklch(26.9% 0.061 246.8)
#379BEA 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) | #769EED | 0.057 |
| Deuteranopia (no green cones) | #5D8EE8 | 0.041 |
| Tritanopia (no blue cones) | #00AEB8 | 0.106 |
| Achromatopsia (no color) | #959595 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #379BEA
#379BEA
oklch(66.9% 0.148 246.7)
- #D07F00
#D07F00
oklch(66.8% 0.148 66.5)
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 #379BEA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.021
- Dark Sky Blue #448EE4 ΔE 0.034
- Cornflower Blue #6495ED ΔE 0.038
- Dodger Blue #1E90FF ΔE 0.049
- Soft Blue #6488EA ΔE 0.058
- Water Blue #0E87CC ΔE 0.071
- Faded Blue #658CBB ΔE 0.077
- Cool Blue #4984B8 ΔE 0.087
Use #379BEA 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.