#729FCF
Closest named color: Greyblue (#77A1B5). oklch(68.9% 0.086 250.7), rgb(114, 159, 207).
Aa
Black text reads best on this color (7.57:1).
About this color
#729FCF is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.086 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.041 away. Black text reads best on it, at 7.57:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.57:1 |
| White text | 2.77:1 |
Values
| HEX | #729FCF |
| RGB | rgb(114, 159, 207) |
| HSL | hsl(211, 49%, 63%) |
| OKLCH | oklch(68.9% 0.086 250.7) |
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 #729FCF | 2.77:1 | Fails | Lc -58.6 | Large or bold text, headings |
| Black text on #729FCF | 7.57:1 | AAA | Lc 50.6 | Large or bold text, headings |
| #729FCF text on white | 2.77:1 | Fails | Lc 53.4 | Large or bold text, headings |
| #729FCF text on black | 7.57:1 | AAA | Lc -48.5 | 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
#E2EBF4
oklch(93.6% 0.016 248)
-
Step 200
200
#CBDBED
oklch(88.5% 0.03 251.3)
-
Step 300
300
#A7C4E3
oklch(80.9% 0.054 250.2)
-
Step 400
400 (this color)
#729FCF
oklch(68.9% 0.086 250.7)
-
Step 500
500
#538DCA
oklch(63% 0.111 251.1)
-
Step 600
600
#3676B7
oklch(55.5% 0.121 251.2)
-
Step 700
700
#28639D
oklch(49% 0.111 250.9)
-
Step 800
800
#23517F
oklch(42.6% 0.092 250.9)
-
Step 900
900
#224466
oklch(37.8% 0.071 250.2)
-
Step 950
950
#14283C
oklch(27.1% 0.046 249.9)
#729FCF 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) | #8CA0D1 | 0.032 |
| Deuteranopia (no green cones) | #8197CE | 0.026 |
| Tritanopia (no blue cones) | #4CAAAF | 0.075 |
| Achromatopsia (no color) | #9B9B9B | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #729FCF
#729FCF
oklch(68.9% 0.086 250.7)
- #BD925E
#BD925E
oklch(68.9% 0.086 70.9)
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 #729FCF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.041
- Bluegrey #85A3B2 ΔE 0.052
- Bluey Grey #89A0B0 ΔE 0.053
- Cool Gray #8D99AE ΔE 0.054
- Faded Blue #658CBB ΔE 0.059
- Cornflower Blue #6495ED ΔE 0.060
- Silver Lake Blue #778DA9 ΔE 0.064
- Cool Steel #97A7B3 ΔE 0.069
Use #729FCF 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.