#739BFD
Closest named color: Cornflower Blue (#6495ED). oklch(70.4% 0.151 265.9), rgb(115, 155, 253).
Aa
Black text reads best on this color (7.83:1).
About this color
#739BFD is a medium-light, vivid blue. In OKLCH its lightness is 70%, its chroma 0.151 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.033 away. Black text reads best on it, at 7.83:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.151) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.83:1 |
| White text | 2.67:1 |
Values
| HEX | #739BFD |
| RGB | rgb(115, 155, 253) |
| HSL | hsl(223, 97%, 72%) |
| OKLCH | oklch(70.4% 0.151 265.9) |
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 #739BFD | 2.67:1 | Fails | Lc -57.1 | Large or bold text, headings |
| Black text on #739BFD | 7.83:1 | AAA | Lc 52.1 | Large or bold text, headings |
| #739BFD text on white | 2.67:1 | Fails | Lc 51.9 | Large or bold text, headings |
| #739BFD text on black | 7.83:1 | AAA | Lc -50.0 | 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
#A4C0FE
oklch(81% 0.093 265.6)
-
Step 400
400 (this color)
#739BFD
oklch(70.4% 0.151 265.9)
-
Step 500
500
#527FFC
oklch(63% 0.193 266.1)
-
Step 600
600
#3965EB
oklch(55.6% 0.208 265.9)
-
Step 700
700
#2C52CD
oklch(49.1% 0.195 266)
-
Step 800
800
#2544A5
oklch(42.6% 0.161 266.1)
-
Step 900
900
#223B83
oklch(37.7% 0.125 266.1)
-
Step 950
950
#14234D
oklch(27% 0.08 266.3)
#739BFD 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) | #73A5FF | 0.026 |
| Deuteranopia (no green cones) | #6298FB | 0.021 |
| Tritanopia (no blue cones) | #20B0C0 | 0.134 |
| Achromatopsia (no color) | #9E9E9E | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #739BFD
#739BFD
oklch(70.4% 0.151 265.9)
- #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 #739BFD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.033
- Periwinkle Blue #8F99FB ΔE 0.034
- Chefchaouen Blue #4895EF ΔE 0.051
- Lavender Blue #8B88F8 ΔE 0.052
- Perrywinkle #8F8CE7 ΔE 0.053
- Soft Blue #6488EA ΔE 0.058
- Periwinkle #8E82FE ΔE 0.067
- Dark Sky Blue #448EE4 ΔE 0.071
Use #739BFD 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.