#4B89DE
Closest named color: Dark Sky Blue (#448EE4). oklch(62.9% 0.144 256.8), rgb(75, 137, 222).
Aa
Black text reads best on this color (5.93:1).
About this color
#4B89DE is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.144 and its hue 257°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.015 away. Black text reads best on it, at 5.93:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.144) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 5.93:1 |
| White text | 3.53:1 |
Values
| HEX | #4B89DE |
| RGB | rgb(75, 137, 222) |
| HSL | hsl(215, 69%, 58%) |
| OKLCH | oklch(62.9% 0.144 256.8) |
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 #4B89DE | 3.53:1 | AA large text | Lc -68.2 | Content text, not long reading |
| Black text on #4B89DE | 5.93:1 | AA | Lc 41.4 | Non-text elements, placeholder text |
| #4B89DE text on white | 3.53:1 | AA large text | Lc 62.7 | Content text, not long reading |
| #4B89DE text on black | 5.93:1 | AA | Lc -39.0 | 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
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF8
oklch(93.6% 0.021 254.9)
-
Step 200
200
#C9DBF3
oklch(88.5% 0.038 255.6)
-
Step 300
300
#A4C3EE
oklch(80.9% 0.07 256.6)
-
Step 400
400
#72A2E6
oklch(70.6% 0.113 257.2)
-
Step 500
500 (this color)
#4B89DE
oklch(62.9% 0.144 256.8)
-
Step 600
600
#2D72CD
oklch(55.7% 0.157 256.8)
-
Step 700
700
#205FB1
oklch(49.2% 0.145 256.8)
-
Step 800
800
#1C4E8F
oklch(42.7% 0.12 256.5)
-
Step 900
900
#1D4172
oklch(37.6% 0.094 256.9)
-
Step 950
950
#122743
oklch(27.1% 0.059 256.2)
#4B89DE 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) | #6390E1 | 0.033 |
| Deuteranopia (no green cones) | #4D82DC | 0.018 |
| Tritanopia (no blue cones) | #009DA9 | 0.116 |
| Achromatopsia (no color) | #888888 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B89DE
#4B89DE
oklch(62.9% 0.144 256.8)
- #B57C00
#B57C00
oklch(62.9% 0.132 76.6)
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 #4B89DE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.015
- Soft Blue #6488EA ΔE 0.032
- Chefchaouen Blue #4895EF ΔE 0.037
- Water Blue #0E87CC ΔE 0.046
- Cornflower Blue #6495ED ΔE 0.047
- Dodger Blue #1E90FF ΔE 0.053
- Cool Blue #4984B8 ΔE 0.058
- Faded Blue #658CBB ΔE 0.061
Use #4B89DE 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.