#4E82AD
Closest named color: Off Blue (#5684AE). oklch(58.8% 0.087 245), rgb(78, 130, 173).
Aa
Black text reads best on this color (5.12:1).
About this color
#4E82AD is a medium-dark, moderately saturated blue. In OKLCH its lightness is 59%, its chroma 0.087 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Off Blue (#5684AE), ΔE 0.011 away. Black text reads best on it, at 5.12:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Off Blue (#5684AE) |
| Black text | 5.12:1 |
| White text | 4.10:1 |
Values
| HEX | #4E82AD |
| RGB | rgb(78, 130, 173) |
| HSL | hsl(207, 38%, 49%) |
| OKLCH | oklch(58.8% 0.087 245) |
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 #4E82AD | 4.10:1 | AA large text | Lc -73.5 | Content text, not long reading |
| Black text on #4E82AD | 5.12:1 | AA | Lc 36.1 | Non-text elements, placeholder text |
| #4E82AD text on white | 4.10:1 | AA large text | Lc 68.0 | Content text, not long reading |
| #4E82AD text on black | 5.12:1 | AA | Lc -33.6 | 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
#ACC4D9
oklch(80.9% 0.04 244.7)
-
Step 400
400
#80A5C5
oklch(70.6% 0.062 244.9)
-
Step 500
500
#5F8FB7
oklch(63.2% 0.08 244.7)
-
Step 600
600 (this color)
#4E82AD
oklch(58.8% 0.087 245)
-
Step 700
700
#36658B
oklch(49.1% 0.08 244.9)
-
Step 800
800
#2D5371
oklch(42.8% 0.066 244.1)
-
Step 900
900
#29445B
oklch(37.6% 0.052 245.5)
-
Step 950
950
#182836
oklch(27% 0.034 245.9)
#4E82AD 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) | #7083AF | 0.041 |
| Deuteranopia (no green cones) | #6379AC | 0.032 |
| Tritanopia (no blue cones) | #0C8C91 | 0.072 |
| Achromatopsia (no color) | #7D7D7D | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E82AD
#4E82AD
oklch(58.8% 0.087 245)
- #A07242
#A07242
oklch(58.9% 0.087 65.9)
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 #4E82AD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Off Blue #5684AE ΔE 0.011
- Steel Blue #4682B4 ΔE 0.013
- Cool Blue #4984B8 ΔE 0.017
- Dusty Blue #5A86AD ΔE 0.018
- Stormy Blue #507B9C ΔE 0.029
- Cerulean #457B9D ΔE 0.031
- Blue NCS #118AB2 ΔE 0.039
- Dull Blue #49759C ΔE 0.042
Use #4E82AD 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.