#4B90BD
Closest named color: Faded Blue (#658CBB). oklch(62.7% 0.098 239.5), rgb(75, 144, 189).
Aa
Black text reads best on this color (6.02:1).
About this color
#4B90BD is a medium-light, moderately saturated blue. In OKLCH its lightness is 63%, its chroma 0.098 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.026 away. Black text reads best on it, at 6.02:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.02:1 |
| White text | 3.48:1 |
Values
| HEX | #4B90BD |
| RGB | rgb(75, 144, 189) |
| HSL | hsl(204, 46%, 52%) |
| OKLCH | oklch(62.7% 0.098 239.5) |
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 #4B90BD | 3.48:1 | AA large text | Lc -67.7 | Content text, not long reading |
| Black text on #4B90BD | 6.02:1 | AA | Lc 41.8 | Non-text elements, placeholder text |
| #4B90BD text on white | 3.48:1 | AA large text | Lc 62.2 | Content text, not long reading |
| #4B90BD text on black | 6.02:1 | AA | Lc -39.5 | 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 500.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF2
oklch(93.5% 0.014 241)
-
Step 200
200
#CADCE9
oklch(88.5% 0.026 239.1)
-
Step 300
300
#A5C6DD
oklch(81% 0.048 238.6)
-
Step 400
400
#74A7CB
oklch(70.6% 0.076 239.9)
-
Step 500
500 (this color)
#4B90BD
oklch(62.7% 0.098 239.5)
-
Step 600
600
#2B7BAB
oklch(55.7% 0.106 239.5)
-
Step 700
700
#1D6792
oklch(49% 0.098 239.5)
-
Step 800
800
#1B5477
oklch(42.6% 0.082 240)
-
Step 900
900
#1D4660
oklch(37.8% 0.064 239.4)
-
Step 950
950
#122938
oklch(27% 0.04 239.2)
#4B90BD 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) | #7C90BF | 0.054 |
| Deuteranopia (no green cones) | #6C84BC | 0.045 |
| Tritanopia (no blue cones) | #009B9F | 0.073 |
| Achromatopsia (no color) | #898989 | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B90BD
#4B90BD
oklch(62.7% 0.098 239.5)
- #B47949
#B47949
oklch(62.7% 0.098 58.8)
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 #4B90BD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.026
- Dusty Blue #5A86AD ΔE 0.033
- Cool Blue #4984B8 ΔE 0.034
- Off Blue #5684AE ΔE 0.036
- Steel Blue #4682B4 ΔE 0.041
- Blue NCS #118AB2 ΔE 0.043
- Water Blue #0E87CC ΔE 0.052
- Silver Lake Blue #778DA9 ΔE 0.052
Use #4B90BD 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.