#5189DA
Closest named color: Dark Sky Blue (#448EE4). oklch(62.9% 0.136 257.7), rgb(81, 137, 218).
Aa
Black text reads best on this color (5.94:1).
About this color
#5189DA is a medium-light, moderately saturated blue. In OKLCH its lightness is 63%, its chroma 0.136 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Sky Blue (#448EE4), ΔE 0.019 away. Black text reads best on it, at 5.94:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.136) |
| Temperature | cool |
| Nearest name | Dark Sky Blue (#448EE4) |
| Black text | 5.94:1 |
| White text | 3.53:1 |
Values
| HEX | #5189DA |
| RGB | rgb(81, 137, 218) |
| HSL | hsl(215, 65%, 59%) |
| OKLCH | oklch(62.9% 0.136 257.7) |
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 #5189DA | 3.53:1 | AA large text | Lc -68.2 | Content text, not long reading |
| Black text on #5189DA | 5.94:1 | AA | Lc 41.4 | Non-text elements, placeholder text |
| #5189DA text on white | 3.53:1 | AA large text | Lc 62.7 | Content text, not long reading |
| #5189DA text on black | 5.94:1 | 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
#F2F6FC
oklch(97.2% 0.009 258.3)
-
Step 100
100
#E2EBF7
oklch(93.7% 0.019 255.5)
-
Step 200
200
#CADAF2
oklch(88.4% 0.037 258.4)
-
Step 300
300
#A6C3EC
oklch(81% 0.066 257)
-
Step 400
400
#76A2E3
oklch(70.7% 0.107 258)
-
Step 500
500 (this color)
#5189DA
oklch(62.9% 0.136 257.7)
-
Step 600
600
#3572C8
oklch(55.6% 0.148 257.5)
-
Step 700
700
#275FAD
oklch(49.1% 0.138 257.5)
-
Step 800
800
#224E8C
oklch(42.7% 0.114 257.5)
-
Step 900
900
#214170
oklch(37.6% 0.089 258)
-
Step 950
950
#142742
oklch(27.2% 0.056 257.3)
#5189DA 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) | #668FDD | 0.029 |
| Deuteranopia (no green cones) | #5382D8 | 0.018 |
| Tritanopia (no blue cones) | #009BA7 | 0.112 |
| Achromatopsia (no color) | #888888 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5189DA
#5189DA
oklch(62.9% 0.136 257.7)
- #B47D00
#B47D00
oklch(62.9% 0.131 77.8)
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 #5189DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Sky Blue #448EE4 ΔE 0.019
- Soft Blue #6488EA ΔE 0.033
- Chefchaouen Blue #4895EF ΔE 0.040
- Cornflower Blue #6495ED ΔE 0.047
- Water Blue #0E87CC ΔE 0.047
- Cool Blue #4984B8 ΔE 0.053
- Faded Blue #658CBB ΔE 0.053
- Dodger Blue #1E90FF ΔE 0.060
Use #5189DA 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.