#739BFE
Closest named color: Periwinkle Blue (#8F99FB). oklch(70.4% 0.152 266), rgb(115, 155, 254).
Aa
Black text reads best on this color (7.84:1).
About this color
#739BFE is a medium-light, vivid blue. In OKLCH its lightness is 70%, its chroma 0.152 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.034 away. Black text reads best on it, at 7.84:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.152) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 7.84:1 |
| White text | 2.67:1 |
Values
| HEX | #739BFE |
| RGB | rgb(115, 155, 254) |
| HSL | hsl(223, 99%, 72%) |
| OKLCH | oklch(70.4% 0.152 266) |
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 #739BFE | 2.67:1 | Fails | Lc -57.0 | Large or bold text, headings |
| Black text on #739BFE | 7.84:1 | AAA | Lc 52.2 | Large or bold text, headings |
| #739BFE text on white | 2.67:1 | Fails | Lc 51.8 | Large or bold text, headings |
| #739BFE text on black | 7.84:1 | AAA | Lc -50.1 | Large or bold text, headings |
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 400.
-
Step 50
50
#F1F5FE
oklch(97% 0.013 266.7)
-
Step 100
100
#E1EAFD
oklch(93.6% 0.028 265.4)
-
Step 200
200
#C9D9FD
oklch(88.5% 0.053 266.4)
-
Step 300
300
#A4C0FF
oklch(81% 0.095 265.8)
-
Step 400
400 (this color)
#739BFE
oklch(70.4% 0.152 266)
-
Step 500
500
#517FFD
oklch(63% 0.194 265.9)
-
Step 600
600
#3864EC
oklch(55.5% 0.211 266)
-
Step 700
700
#2C52CE
oklch(49.1% 0.196 266.1)
-
Step 800
800
#2544A6
oklch(42.7% 0.162 266.1)
-
Step 900
900
#213B84
oklch(37.8% 0.127 265.8)
-
Step 950
950
#14234D
oklch(27% 0.08 266.3)
#739BFE 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) | #72A5FF | 0.026 |
| Deuteranopia (no green cones) | #6198FC | 0.022 |
| Tritanopia (no blue cones) | #1EB1C0 | 0.137 |
| Achromatopsia (no color) | #9E9E9E | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #739BFE
#739BFE
oklch(70.4% 0.152 266)
- #C79800
#C79800
oklch(70.4% 0.144 86.4)
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 #739BFE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.034
- Cornflower Blue #6495ED ΔE 0.034
- Chefchaouen Blue #4895EF ΔE 0.052
- Lavender Blue #8B88F8 ΔE 0.052
- Perrywinkle #8F8CE7 ΔE 0.053
- Soft Blue #6488EA ΔE 0.059
- Periwinkle #8E82FE ΔE 0.067
- Dark Sky Blue #448EE4 ΔE 0.071
Use #739BFE 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.