#729EC3
Closest named color: Greyblue (#77A1B5). oklch(68.1% 0.073 244.5), rgb(114, 158, 195).
Aa
Black text reads best on this color (7.39:1).
About this color
#729EC3 is a medium-light, moderately saturated blue. In OKLCH its lightness is 68%, its chroma 0.073 and its hue 245°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.026 away. Black text reads best on it, at 7.39:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.39:1 |
| White text | 2.84:1 |
Values
| HEX | #729EC3 |
| RGB | rgb(114, 158, 195) |
| HSL | hsl(207, 40%, 61%) |
| OKLCH | oklch(68.1% 0.073 244.5) |
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 #729EC3 | 2.84:1 | Fails | Lc -59.7 | Large or bold text, headings |
| Black text on #729EC3 | 7.39:1 | AAA | Lc 49.6 | Large or bold text, headings |
| #729EC3 text on white | 2.84:1 | Fails | Lc 54.4 | Large or bold text, headings |
| #729EC3 text on black | 7.39:1 | AAA | Lc -47.4 | 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
#CCDBE9
oklch(88.4% 0.025 246.2)
-
Step 300
300
#A9C4DD
oklch(80.8% 0.046 246.3)
-
Step 400
400 (this color)
#729EC3
oklch(68.1% 0.073 244.5)
-
Step 500
500
#568FBE
oklch(63% 0.093 244.9)
-
Step 600
600
#3979AA
oklch(55.6% 0.101 244.2)
-
Step 700
700
#2B6592
oklch(49% 0.094 245)
-
Step 800
800
#255377
oklch(42.7% 0.078 244.8)
-
Step 900
900
#234560
oklch(37.8% 0.061 244.4)
-
Step 950
950
#152838
oklch(26.9% 0.039 245.4)
#729EC3 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) | #8F9EC5 | 0.036 |
| Deuteranopia (no green cones) | #8496C2 | 0.029 |
| Tritanopia (no blue cones) | #53A7AA | 0.061 |
| Achromatopsia (no color) | #999999 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #729EC3
#729EC3
oklch(68.1% 0.073 244.5)
- #B99069
#B99069
oklch(68.3% 0.073 64.7)
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 #729EC3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.026
- Bluegrey #85A3B2 ΔE 0.039
- Bluey Grey #89A0B0 ΔE 0.040
- Cool Gray #8D99AE ΔE 0.042
- Silver Lake Blue #778DA9 ΔE 0.052
- Faded Blue #658CBB ΔE 0.054
- Blue Grey #758DA3 ΔE 0.057
- Cadet Blue #5F9EA0 ΔE 0.060
Use #729EC3 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.