#4E7FAC
Closest named color: Steel Blue (#4682B4). oklch(58.1% 0.088 247.6), rgb(78, 127, 172).
Aa
Black text reads best on this color (4.95:1).
About this color
#4E7FAC is a medium-dark, moderately saturated blue. In OKLCH its lightness is 58%, its chroma 0.088 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Steel Blue (#4682B4), ΔE 0.014 away. Black text reads best on it, at 4.95:1.
| Hue family | Blues |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.088) |
| Temperature | cool |
| Nearest name | Steel Blue (#4682B4) |
| Black text | 4.95:1 |
| White text | 4.23:1 |
Values
| HEX | #4E7FAC |
| RGB | rgb(78, 127, 172) |
| HSL | hsl(209, 38%, 49%) |
| OKLCH | oklch(58.1% 0.088 247.6) |
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 #4E7FAC | 4.23:1 | AA large text | Lc -74.6 | Content text, not long reading |
| Black text on #4E7FAC | 4.95:1 | AA | Lc 34.9 | Non-text elements, placeholder text |
| #4E7FAC text on white | 4.23:1 | AA large text | Lc 69.1 | Content text, not long reading |
| #4E7FAC text on black | 4.95:1 | AA | Lc -32.5 | 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 600.
-
Step 50
50
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200
#CEDBE7
oklch(88.5% 0.022 245.9)
-
Step 300
300
#ADC4D9
oklch(81% 0.039 245.9)
-
Step 400
400
#81A5C7
oklch(70.8% 0.064 247.3)
-
Step 500
500
#618EB8
oklch(63.1% 0.08 247.5)
-
Step 600
600 (this color)
#4E7FAC
oklch(58.1% 0.088 247.6)
-
Step 700
700
#38648D
oklch(49% 0.082 248.3)
-
Step 800
800
#2F5272
oklch(42.7% 0.067 247.6)
-
Step 900
900
#2A445C
oklch(37.7% 0.052 247.5)
-
Step 950
950
#192836
oklch(27% 0.033 247.4)
#4E7FAC 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) | #6C80AE | 0.036 |
| Deuteranopia (no green cones) | #6077AB | 0.028 |
| Tritanopia (no blue cones) | #118A8E | 0.076 |
| Achromatopsia (no color) | #7B7B7B | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E7FAC
#4E7FAC
oklch(58.1% 0.088 247.6)
- #9D703E
#9D703E
oklch(58% 0.088 67.5)
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 #4E7FAC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Blue #4682B4 ΔE 0.014
- Off Blue #5684AE ΔE 0.018
- Cool Blue #4984B8 ΔE 0.020
- Stormy Blue #507B9C ΔE 0.025
- Dusty Blue #5A86AD ΔE 0.025
- Cerulean #457B9D ΔE 0.027
- Dull Blue #49759C ΔE 0.035
- Flat Blue #3C73A8 ΔE 0.041
Use #4E7FAC 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.