#739FD2
Closest named color: Greyblue (#77A1B5). oklch(69.1% 0.09 252.7), rgb(115, 159, 210).
Aa
Black text reads best on this color (7.61:1).
About this color
#739FD2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.090 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.046 away. Black text reads best on it, at 7.61:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.61:1 |
| White text | 2.75:1 |
Values
| HEX | #739FD2 |
| RGB | rgb(115, 159, 210) |
| HSL | hsl(212, 51%, 64%) |
| OKLCH | oklch(69.1% 0.09 252.7) |
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 #739FD2 | 2.75:1 | Fails | Lc -58.4 | Large or bold text, headings |
| Black text on #739FD2 | 7.61:1 | AAA | Lc 50.9 | Large or bold text, headings |
| #739FD2 text on white | 2.75:1 | Fails | Lc 53.2 | Large or bold text, headings |
| #739FD2 text on black | 7.61:1 | AAA | Lc -48.7 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#CBDBEE
oklch(88.5% 0.031 252.7)
-
Step 300
300
#A7C3E5
oklch(80.8% 0.057 253.4)
-
Step 400
400 (this color)
#739FD2
oklch(69.1% 0.09 252.7)
-
Step 500
500
#548DCD
oklch(63.2% 0.114 252.5)
-
Step 600
600
#3775BA
oklch(55.5% 0.125 253.1)
-
Step 700
700
#2962A0
oklch(49% 0.116 252.9)
-
Step 800
800
#235182
oklch(42.8% 0.096 252.2)
-
Step 900
900
#224368
oklch(37.7% 0.075 252.8)
-
Step 950
950
#15273D
oklch(26.9% 0.048 254.2)
#739FD2 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) | #8BA1D4 | 0.030 |
| Deuteranopia (no green cones) | #8098D1 | 0.023 |
| Tritanopia (no blue cones) | #4DAAB0 | 0.078 |
| Achromatopsia (no color) | #9C9C9C | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #739FD2
#739FD2
oklch(69.1% 0.09 252.7)
- #BE935B
#BE935B
oklch(69.2% 0.09 72.8)
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 #739FD2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.046
- Bluegrey #85A3B2 ΔE 0.056
- Bluey Grey #89A0B0 ΔE 0.056
- Cornflower Blue #6495ED ΔE 0.057
- Cool Gray #8D99AE ΔE 0.057
- Faded Blue #658CBB ΔE 0.061
- Silver Lake Blue #778DA9 ΔE 0.068
- Chefchaouen Blue #4895EF ΔE 0.070
Use #739FD2 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.