#4B85AA
Closest named color: Off Blue (#5684AE). oklch(59.2% 0.083 238.3), rgb(75, 133, 170).
Aa
Black text reads best on this color (5.23:1).
About this color
#4B85AA is a medium-dark, moderately saturated blue. In OKLCH its lightness is 59%, its chroma 0.083 and its hue 238°. Its hue sits on the cool side of the wheel. The nearest named color is Off Blue (#5684AE), ΔE 0.014 away. Black text reads best on it, at 5.23:1.
| Hue family | Blues |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Off Blue (#5684AE) |
| Black text | 5.23:1 |
| White text | 4.01:1 |
Values
| HEX | #4B85AA |
| RGB | rgb(75, 133, 170) |
| HSL | hsl(203, 39%, 48%) |
| OKLCH | oklch(59.2% 0.083 238.3) |
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 #4B85AA | 4.01:1 | AA large text | Lc -72.8 | Content text, not long reading |
| Black text on #4B85AA | 5.23:1 | AA | Lc 36.8 | Non-text elements, placeholder text |
| #4B85AA text on white | 4.01:1 | AA large text | Lc 67.3 | Content text, not long reading |
| #4B85AA text on black | 5.23:1 | AA | Lc -34.4 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E4EBF0
oklch(93.6% 0.01 238.5)
-
Step 200
200
#CDDBE6
oklch(88.4% 0.021 241.4)
-
Step 300
300
#ABC5D6
oklch(80.9% 0.037 236.6)
-
Step 400
400
#7EA7C2
oklch(70.8% 0.06 237.6)
-
Step 500
500
#5C90B3
oklch(63.1% 0.077 239.1)
-
Step 600
600 (this color)
#4B85AA
oklch(59.2% 0.083 238.3)
-
Step 700
700
#326788
oklch(49.2% 0.077 238.4)
-
Step 800
800
#2A546E
oklch(42.7% 0.064 237.9)
-
Step 900
900
#274559
oklch(37.6% 0.05 239.2)
-
Step 950
950
#172934
oklch(27.1% 0.031 236.4)
#4B85AA 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) | #7484AC | 0.048 |
| Deuteranopia (no green cones) | #677BA9 | 0.039 |
| Tritanopia (no blue cones) | #008E91 | 0.066 |
| Achromatopsia (no color) | #7F7F7F | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B85AA
#4B85AA
oklch(59.2% 0.083 238.3)
- #A3714A
#A3714A
oklch(59.1% 0.083 58.2)
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 #4B85AA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Off Blue #5684AE ΔE 0.014
- Dusty Blue #5A86AD ΔE 0.017
- Steel Blue #4682B4 ΔE 0.020
- Cool Blue #4984B8 ΔE 0.023
- Stormy Blue #507B9C ΔE 0.031
- Cerulean #457B9D ΔE 0.033
- Blue NCS #118AB2 ΔE 0.034
- Faded Blue #658CBB ΔE 0.044
Use #4B85AA 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.