#749EFB
Closest named color: Periwinkle Blue (#8F99FB). oklch(70.9% 0.144 264.6), rgb(116, 158, 251).
Aa
Black text reads best on this color (8.02:1).
About this color
#749EFB is a medium-light, vivid blue. In OKLCH its lightness is 71%, its chroma 0.144 and its hue 265°. 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 8.02:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.144) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.02:1 |
| White text | 2.61:1 |
Values
| HEX | #749EFB |
| RGB | rgb(116, 158, 251) |
| HSL | hsl(221, 94%, 72%) |
| OKLCH | oklch(70.9% 0.144 264.6) |
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 #749EFB | 2.61:1 | Fails | Lc -56.0 | Large or bold text, headings |
| Black text on #749EFB | 8.02:1 | AAA | Lc 53.1 | Large or bold text, headings |
| #749EFB text on white | 2.61:1 | Fails | Lc 50.9 | Large or bold text, headings |
| #749EFB text on black | 8.02:1 | AAA | Lc -51.0 | 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
#F1F6FE
oklch(97.2% 0.012 259.8)
-
Step 100
100
#E1EAFC
oklch(93.6% 0.026 264.4)
-
Step 200
200
#C9D9FB
oklch(88.4% 0.05 265.4)
-
Step 300
300
#A4C0FC
oklch(80.9% 0.091 265)
-
Step 400
400 (this color)
#749EFB
oklch(70.9% 0.144 264.6)
-
Step 500
500
#5081F7
oklch(63% 0.184 264.7)
-
Step 600
600
#3667E6
oklch(55.5% 0.2 264.7)
-
Step 700
700
#2955C8
oklch(49.1% 0.186 264.5)
-
Step 800
800
#2346A2
oklch(42.7% 0.155 264.8)
-
Step 900
900
#203C80
oklch(37.6% 0.12 264.5)
-
Step 950
950
#13244B
oklch(27% 0.076 264.2)
#749EFB 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) | #78A7FF | 0.024 |
| Deuteranopia (no green cones) | #689AF9 | 0.018 |
| Tritanopia (no blue cones) | #27B2C1 | 0.128 |
| Achromatopsia (no color) | #A0A0A0 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #749EFB
#749EFB
oklch(70.9% 0.144 264.6)
- #CB9807
#CB9807
oklch(70.9% 0.144 84.2)
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 #749EFB, 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 0.036
- Chefchaouen Blue #4895EF ΔE 0.054
- Perrywinkle #8F8CE7 ΔE 0.055
- Lavender Blue #8B88F8 ΔE 0.059
- Soft Blue #6488EA ΔE 0.064
- Dark Sky Blue #448EE4 ΔE 0.074
- Periwinkle #8E82FE ΔE 0.074
Use #749EFB 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.