#4E79A1
Closest named color: Stormy Blue (#507B9C). oklch(56.2% 0.079 247.7), rgb(78, 121, 161).
Aa
White text reads best on this color (4.59:1).
About this color
#4E79A1 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 56%, its chroma 0.079 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Stormy Blue (#507B9C), ΔE 0.011 away. White text reads best on it, at 4.59:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Stormy Blue (#507B9C) |
| Black text | 4.57:1 |
| White text | 4.59:1 |
Values
| HEX | #4E79A1 |
| RGB | rgb(78, 121, 161) |
| HSL | hsl(209, 35%, 47%) |
| OKLCH | oklch(56.2% 0.079 247.7) |
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 #4E79A1 | 4.59:1 | AA | Lc -77.2 | Fine for body text |
| Black text on #4E79A1 | 4.57:1 | AA | Lc 32.3 | Non-text elements, placeholder text |
| #4E79A1 text on white | 4.59:1 | AA | Lc 71.8 | Content text, not long reading |
| #4E79A1 text on black | 4.57:1 | AA | Lc -29.9 | Dividers and decoration only |
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 600.
-
Step 50
50
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EBF0
oklch(93.7% 0.009 242.8)
-
Step 200
200
#CFDBE6
oklch(88.6% 0.02 245.7)
-
Step 300
300
#AFC3D7
oklch(80.8% 0.036 248.3)
-
Step 400
400
#85A4C3
oklch(70.6% 0.057 248.6)
-
Step 500
500
#668EB3
oklch(63.2% 0.071 247.1)
-
Step 600
600 (this color)
#4E79A1
oklch(56.2% 0.079 247.7)
-
Step 700
700
#3D6488
oklch(49% 0.073 247.6)
-
Step 800
800
#33526F
oklch(42.8% 0.061 247.8)
-
Step 900
900
#2D445A
oklch(37.8% 0.048 248.1)
-
Step 950
950
#1B2834
oklch(27.1% 0.029 246.9)
#4E79A1 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) | #687AA3 | 0.033 |
| Deuteranopia (no green cones) | #5E72A0 | 0.026 |
| Tritanopia (no blue cones) | #248287 | 0.066 |
| Achromatopsia (no color) | #757575 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E79A1
#4E79A1
oklch(56.2% 0.079 247.7)
- #946C40
#946C40
oklch(56.2% 0.079 67.7)
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 #4E79A1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stormy Blue #507B9C ΔE 0.011
- Cerulean #457B9D ΔE 0.013
- Dull Blue #49759C ΔE 0.015
- Flat Blue #3C73A8 ΔE 0.030
- Metallic Blue #4F738E ΔE 0.031
- Muted Blue #3B719F ΔE 0.033
- Steel Blue #4682B4 ΔE 0.034
- Off Blue #5684AE ΔE 0.036
Use #4E79A1 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.