#749CFB
Closest named color: Periwinkle Blue (#8F99FB). oklch(70.5% 0.146 265.6), rgb(116, 156, 251).
Aa
Black text reads best on this color (7.89:1).
About this color
#749CFB is a medium-light, vivid blue. In OKLCH its lightness is 71%, its chroma 0.146 and its hue 266°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.033 away. Black text reads best on it, at 7.89:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.146) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 7.89:1 |
| White text | 2.66:1 |
Values
| HEX | #749CFB |
| RGB | rgb(116, 156, 251) |
| HSL | hsl(222, 94%, 72%) |
| OKLCH | oklch(70.5% 0.146 265.6) |
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 #749CFB | 2.66:1 | Fails | Lc -56.8 | Large or bold text, headings |
| Black text on #749CFB | 7.89:1 | AAA | Lc 52.4 | Large or bold text, headings |
| #749CFB text on white | 2.66:1 | Fails | Lc 51.6 | Large or bold text, headings |
| #749CFB text on black | 7.89:1 | AAA | Lc -50.3 | 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
#E1EAFC
oklch(93.6% 0.026 264.4)
-
Step 200
200
#C9D9FC
oklch(88.5% 0.051 265.9)
-
Step 300
300
#A4C0FD
oklch(80.9% 0.092 265.3)
-
Step 400
400 (this color)
#749CFB
oklch(70.5% 0.146 265.6)
-
Step 500
500
#5280F9
oklch(63% 0.188 265.6)
-
Step 600
600
#3966E8
oklch(55.6% 0.203 265.6)
-
Step 700
700
#2C54CA
oklch(49.2% 0.189 265.5)
-
Step 800
800
#2545A3
oklch(42.6% 0.157 265.7)
-
Step 900
900
#223C81
oklch(37.8% 0.121 265.4)
-
Step 950
950
#14244C
oklch(27.1% 0.077 265.2)
#749CFB 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) | #75A5FF | 0.023 |
| Deuteranopia (no green cones) | #6599F9 | 0.019 |
| Tritanopia (no blue cones) | #28B1BF | 0.133 |
| Achromatopsia (no color) | #9F9F9F | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #749CFB
#749CFB
oklch(70.5% 0.146 265.6)
- #C89800
#C89800
oklch(70.6% 0.144 85.9)
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 #749CFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.033
- Cornflower Blue #6495ED ΔE 0.033
- Chefchaouen Blue #4895EF ΔE 0.052
- Perrywinkle #8F8CE7 ΔE 0.052
- Lavender Blue #8B88F8 ΔE 0.054
- Soft Blue #6488EA ΔE 0.060
- Periwinkle #8E82FE ΔE 0.070
- Dark Sky Blue #448EE4 ΔE 0.071
Use #749CFB 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.