#4889DB
Closest named color: Dark Sky Blue (#448EE4). oklch(62.6% 0.141 255.3), rgb(72, 137, 219).
Aa
Black text reads best on this color (5.87:1).
About this color
#4889DB is a medium-light, vivid blue. In OKLCH its lightness is 63%, its chroma 0.141 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.017 away. Black text reads best on it, at 5.87:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.141) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 5.87:1 |
| White text | 3.57:1 |
Values
| HEX | #4889DB |
| RGB | rgb(72, 137, 219) |
| HSL | hsl(213, 67%, 57%) |
| OKLCH | oklch(62.6% 0.141 255.3) |
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 #4889DB | 3.57:1 | AA large text | Lc -68.5 | Content text, not long reading |
| Black text on #4889DB | 5.87:1 | AA | Lc 41.0 | Non-text elements, placeholder text |
| #4889DB text on white | 3.57:1 | AA large text | Lc 63.0 | Content text, not long reading |
| #4889DB text on black | 5.87:1 | AA | Lc -38.6 | 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 500.
-
Step 50
50
#F1F6FC
oklch(97.1% 0.01 252.8)
-
Step 100
100
#E1EBF7
oklch(93.6% 0.019 252.9)
-
Step 200
200
#C9DBF3
oklch(88.5% 0.038 255.6)
-
Step 300
300
#A3C3ED
oklch(80.8% 0.069 255.4)
-
Step 400
400
#71A3E4
oklch(70.7% 0.11 255.4)
-
Step 500
500 (this color)
#4889DB
oklch(62.6% 0.141 255.3)
-
Step 600
600
#2A73CA
oklch(55.6% 0.153 255.2)
-
Step 700
700
#1C60AF
oklch(49.2% 0.142 255.2)
-
Step 800
800
#1A4F8E
oklch(42.8% 0.118 255.2)
-
Step 900
900
#1C4271
oklch(37.7% 0.092 255.2)
-
Step 950
950
#112742
oklch(27% 0.058 254.7)
#4889DB 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) | #648FDE | 0.034 |
| Deuteranopia (no green cones) | #4F81D9 | 0.021 |
| Tritanopia (no blue cones) | #009CA7 | 0.113 |
| Achromatopsia (no color) | #878787 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4889DB
#4889DB
oklch(62.6% 0.141 255.3)
- #B57A00
#B57A00
oklch(62.5% 0.132 75.1)
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 #4889DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.017
- Soft Blue #6488EA ΔE 0.037
- Chefchaouen Blue #4895EF ΔE 0.040
- Water Blue #0E87CC ΔE 0.041
- Cornflower Blue #6495ED ΔE 0.051
- Cool Blue #4984B8 ΔE 0.053
- Dodger Blue #1E90FF ΔE 0.056
- Faded Blue #658CBB ΔE 0.058
Use #4889DB 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.