#4E7AAC
Closest named color: Steel Blue (#4682B4). oklch(56.9% 0.092 252.6), rgb(78, 122, 172).
Aa
Black text reads best on this color (4.70:1).
About this color
#4E7AAC is a medium-dark, moderately saturated blue. In OKLCH its lightness is 57%, its chroma 0.092 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Steel Blue (#4682B4), ΔE 0.023 away. Black text reads best on it, at 4.70:1.
| Hue family | Blues |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Steel Blue (#4682B4) |
| Black text | 4.70:1 |
| White text | 4.46:1 |
Values
| HEX | #4E7AAC |
| RGB | rgb(78, 122, 172) |
| HSL | hsl(212, 38%, 49%) |
| OKLCH | oklch(56.9% 0.092 252.6) |
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 #4E7AAC | 4.46:1 | AA large text | Lc -76.3 | Fine for body text |
| Black text on #4E7AAC | 4.70:1 | AA | Lc 33.2 | Non-text elements, placeholder text |
| #4E7AAC text on white | 4.46:1 | AA large text | Lc 70.9 | Content text, not long reading |
| #4E7AAC text on black | 4.70:1 | AA | Lc -30.8 | 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
#E4EBF2
oklch(93.7% 0.012 248)
-
Step 200
200
#CFDAE8
oklch(88.4% 0.023 254.4)
-
Step 300
300
#AEC3DB
oklch(80.9% 0.041 251.8)
-
Step 400
400
#83A4C9
oklch(70.8% 0.066 251.6)
-
Step 500
500
#648DBC
oklch(63.2% 0.085 252.5)
-
Step 600
600 (this color)
#4E7AAC
oklch(56.9% 0.092 252.6)
-
Step 700
700
#3B6390
oklch(49.1% 0.086 252.5)
-
Step 800
800
#315175
oklch(42.7% 0.071 252.4)
-
Step 900
900
#2C435E
oklch(37.7% 0.055 253.1)
-
Step 950
950
#1A2737
oklch(26.9% 0.035 254.1)
#4E7AAC 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) | #667CAE | 0.030 |
| Deuteranopia (no green cones) | #5A73AB | 0.022 |
| Tritanopia (no blue cones) | #14858C | 0.079 |
| Achromatopsia (no color) | #777777 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E7AAC
#4E7AAC
oklch(56.9% 0.092 252.6)
- #986E34
#986E34
oklch(56.9% 0.092 72.9)
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 #4E7AAC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Blue #4682B4 ΔE 0.023
- Stormy Blue #507B9C ΔE 0.026
- Cerulean #457B9D ΔE 0.027
- Dull Blue #49759C ΔE 0.028
- Flat Blue #3C73A8 ΔE 0.029
- Cool Blue #4984B8 ΔE 0.030
- Off Blue #5684AE ΔE 0.031
- Windows Blue #3778BF ΔE 0.037
Use #4E7AAC 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.