#4889CF
Closest named color: Dark Sky Blue (#448EE4). oklch(61.9% 0.126 252), rgb(72, 137, 207).
Aa
Black text reads best on this color (5.75:1).
About this color
#4889CF is a medium-dark, moderately saturated blue. In OKLCH its lightness is 62%, its chroma 0.126 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.032 away. Black text reads best on it, at 5.75:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.126) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 5.75:1 |
| White text | 3.64:1 |
Values
| HEX | #4889CF |
| RGB | rgb(72, 137, 207) |
| HSL | hsl(211, 58%, 55%) |
| OKLCH | oklch(61.9% 0.126 252) |
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 #4889CF | 3.64:1 | AA large text | Lc -69.3 | Content text, not long reading |
| Black text on #4889CF | 5.75:1 | AA | Lc 40.2 | Non-text elements, placeholder text |
| #4889CF text on white | 3.64:1 | AA large text | Lc 63.8 | Content text, not long reading |
| #4889CF text on black | 5.75:1 | AA | Lc -37.8 | 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 500.
-
Step 50
50
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF6
oklch(93.7% 0.018 253.3)
-
Step 200
200
#C9DBF0
oklch(88.4% 0.035 252.3)
-
Step 300
300
#A4C4E8
oklch(80.9% 0.062 251.6)
-
Step 400
400
#72A4DC
oklch(70.6% 0.098 252)
-
Step 500
500 (this color)
#4889CF
oklch(61.9% 0.126 252)
-
Step 600
600
#2C75C0
oklch(55.5% 0.137 252.2)
-
Step 700
700
#1E62A6
oklch(49.1% 0.128 252.2)
-
Step 800
800
#1B5086
oklch(42.6% 0.105 252.1)
-
Step 900
900
#1D436C
oklch(37.7% 0.083 252.4)
-
Step 950
950
#12283F
oklch(27.1% 0.051 251.2)
#4889CF 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) | #6A8DD2 | 0.039 |
| Deuteranopia (no green cones) | #5880CE | 0.027 |
| Tritanopia (no blue cones) | #0099A2 | 0.099 |
| Achromatopsia (no color) | #868686 | 0.126 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4889CF
#4889CF
oklch(61.9% 0.126 252)
- #B47717
#B47717
oklch(61.8% 0.126 71.6)
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 #4889CF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.032
- Water Blue #0E87CC ΔE 0.033
- Cool Blue #4984B8 ΔE 0.035
- Steel Blue #4682B4 ΔE 0.043
- Faded Blue #658CBB ΔE 0.044
- Off Blue #5684AE ΔE 0.050
- Soft Blue #6488EA ΔE 0.052
- Dusty Blue #5A86AD ΔE 0.052
Use #4889CF 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.