#739CC3
Closest named color: Greyblue (#77A1B5). oklch(67.8% 0.073 247.7), rgb(115, 156, 195).
Aa
Black text reads best on this color (7.27:1).
About this color
#739CC3 is a medium-light, moderately saturated blue. In OKLCH its lightness is 68%, its chroma 0.073 and its hue 248°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.029 away. Black text reads best on it, at 7.27:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.27:1 |
| White text | 2.88:1 |
Values
| HEX | #739CC3 |
| RGB | rgb(115, 156, 195) |
| HSL | hsl(209, 40%, 61%) |
| OKLCH | oklch(67.8% 0.073 247.7) |
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 #739CC3 | 2.88:1 | Fails | Lc -60.4 | Content text, not long reading |
| Black text on #739CC3 | 7.27:1 | AAA | Lc 49.0 | Large or bold text, headings |
| #739CC3 text on white | 2.88:1 | Fails | Lc 55.1 | Large or bold text, headings |
| #739CC3 text on black | 7.27:1 | AAA | Lc -46.7 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF2
oklch(93.6% 0.013 244.3)
-
Step 200
200
#CCDBEA
oklch(88.5% 0.026 248.1)
-
Step 300
300
#AAC4DD
oklch(80.9% 0.045 247.3)
-
Step 400
400 (this color)
#739CC3
oklch(67.8% 0.073 247.7)
-
Step 500
500
#598EBF
oklch(63% 0.093 247.7)
-
Step 600
600
#3D78AC
oklch(55.7% 0.102 247.4)
-
Step 700
700
#2F6494
oklch(49% 0.096 248.3)
-
Step 800
800
#285278
oklch(42.7% 0.079 248)
-
Step 900
900
#254460
oklch(37.6% 0.061 247.4)
-
Step 950
950
#162838
oklch(26.9% 0.038 246.6)
#739CC3 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) | #8C9DC5 | 0.032 |
| Deuteranopia (no green cones) | #8294C2 | 0.027 |
| Tritanopia (no blue cones) | #56A5A9 | 0.062 |
| Achromatopsia (no color) | #989898 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #739CC3
#739CC3
oklch(67.8% 0.073 247.7)
- #B68F66
#B68F66
oklch(67.7% 0.073 67.5)
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 #739CC3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.029
- Cool Gray #8D99AE ΔE 0.041
- Bluey Grey #89A0B0 ΔE 0.042
- Bluegrey #85A3B2 ΔE 0.043
- Silver Lake Blue #778DA9 ΔE 0.048
- Faded Blue #658CBB ΔE 0.049
- Blue Grey #758DA3 ΔE 0.054
- Cadet Blue #5F9EA0 ΔE 0.062
Use #739CC3 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.