#4E7C9C
Closest named color: Stormy Blue (#507B9C). oklch(56.6% 0.071 240), rgb(78, 124, 156).
Aa
Black text reads best on this color (4.68:1).
About this color
#4E7C9C is a medium-dark, moderately saturated blue. In OKLCH its lightness is 57%, its chroma 0.071 and its hue 240°. Its hue sits on the cool side of the wheel. The nearest named color is Stormy Blue (#507B9C), ΔE 0.003 away. Black text reads best on it, at 4.68:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Stormy Blue (#507B9C) |
| Black text | 4.68:1 |
| White text | 4.48:1 |
Values
| HEX | #4E7C9C |
| RGB | rgb(78, 124, 156) |
| HSL | hsl(205, 33%, 46%) |
| OKLCH | oklch(56.6% 0.071 240) |
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 #4E7C9C | 4.48:1 | AA large text | Lc -76.5 | Fine for body text |
| Black text on #4E7C9C | 4.68:1 | AA | Lc 33.1 | Non-text elements, placeholder text |
| #4E7C9C text on white | 4.48:1 | AA large text | Lc 71.0 | Content text, not long reading |
| #4E7C9C text on black | 4.68:1 | AA | Lc -30.7 | 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 600.
-
Step 50
50
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EBEF
oklch(93.7% 0.008 236.6)
-
Step 200
200
#CFDBE4
oklch(88.5% 0.018 240)
-
Step 300
300
#AFC4D4
oklch(81% 0.032 240.7)
-
Step 400
400
#84A5BE
oklch(70.6% 0.052 241.1)
-
Step 500
500
#658FAD
oklch(63.1% 0.065 240.1)
-
Step 600
600 (this color)
#4E7C9C
oklch(56.6% 0.071 240)
-
Step 700
700
#3C6682
oklch(49.2% 0.065 239.2)
-
Step 800
800
#32536A
oklch(42.7% 0.054 240.2)
-
Step 900
900
#2C4556
oklch(37.8% 0.042 239.1)
-
Step 950
950
#1A2832
oklch(26.9% 0.027 240.1)
#4E7C9C 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) | #6E7C9E | 0.040 |
| Deuteranopia (no green cones) | #63739B | 0.034 |
| Tritanopia (no blue cones) | #278487 | 0.057 |
| Achromatopsia (no color) | #777777 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E7C9C
#4E7C9C
oklch(56.6% 0.071 240)
- #956C4B
#956C4B
oklch(56.5% 0.07 59.5)
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 #4E7C9C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stormy Blue #507B9C ΔE 0.003
- Cerulean #457B9D ΔE 0.010
- Dull Blue #49759C ΔE 0.022
- Metallic Blue #4F738E ΔE 0.030
- Grey Blue #647D8E ΔE 0.033
- Off Blue #5684AE ΔE 0.034
- Steel Blue #4682B4 ΔE 0.037
- Dusty Blue #5A86AD ΔE 0.039
Use #4E7C9C 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.