#5189FF
Closest named color: Dodger Blue (#1E90FF). oklch(65.2% 0.185 263.1), rgb(81, 137, 255).
Aa
Black text reads best on this color (6.37:1).
About this color
#5189FF is a medium-light, vivid blue. In OKLCH its lightness is 65%, its chroma 0.185 and its hue 263°. Its hue sits on the cool side of the wheel. The nearest named color is Dodger Blue (#1E90FF), ΔE 0.033 away. Black text reads best on it, at 6.37:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.185) |
| Temperature | cool |
| Nearest name | Dodger Blue (#1E90FF) |
| Black text | 6.37:1 |
| White text | 3.29:1 |
Values
| HEX | #5189FF |
| RGB | rgb(81, 137, 255) |
| HSL | hsl(221, 100%, 66%) |
| OKLCH | oklch(65.2% 0.185 263.1) |
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 #5189FF | 3.29:1 | AA large text | Lc -65.4 | Content text, not long reading |
| Black text on #5189FF | 6.37:1 | AA | Lc 44.1 | Non-text elements, placeholder text |
| #5189FF text on white | 3.29:1 | AA large text | Lc 60.0 | Large or bold text, headings |
| #5189FF text on black | 6.37:1 | AA | Lc -41.8 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFC
oklch(93.6% 0.026 264.4)
-
Step 200
200
#C8DAFB
oklch(88.5% 0.05 262.6)
-
Step 300
300
#A2C1FC
oklch(80.9% 0.091 263)
-
Step 400
400
#709EFA
oklch(70.7% 0.144 263.1)
-
Step 500
500 (this color)
#5189FF
oklch(65.2% 0.185 263.1)
-
Step 600
600
#2F68E7
oklch(55.6% 0.202 263.2)
-
Step 700
700
#2356C9
oklch(49.2% 0.187 263.2)
-
Step 800
800
#1E47A2
oklch(42.7% 0.155 263.1)
-
Step 900
900
#1D3D81
oklch(37.8% 0.121 263)
-
Step 950
950
#12244B
oklch(26.9% 0.076 263.5)
#5189FF 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) | #4B96FF | 0.033 |
| Deuteranopia (no green cones) | #2486FD | 0.033 |
| Tritanopia (no blue cones) | #00A5B8 | 0.150 |
| Achromatopsia (no color) | #8E8E8E | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5189FF
#5189FF
oklch(65.2% 0.185 263.1)
- #B78700
#B78700
oklch(65.3% 0.134 83.3)
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 #5189FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dodger Blue #1E90FF ΔE 0.033
- Soft Blue #6488EA ΔE 0.035
- Chefchaouen Blue #4895EF ΔE 0.042
- Cornflower #6A79F7 ΔE 0.044
- Dark Sky Blue #448EE4 ΔE 0.046
- Cornflower Blue #6495ED ΔE 0.050
- Clear Blue #247AFD ΔE 0.055
- Lavender Blue #8B88F8 ΔE 0.068
Use #5189FF 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.