#729ECB
Closest named color: Greyblue (#77A1B5). oklch(68.5% 0.082 249.7), rgb(114, 158, 203).
Aa
Black text reads best on this color (7.46:1).
About this color
#729ECB is a medium-light, moderately saturated blue. In OKLCH its lightness is 68%, its chroma 0.082 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.037 away. Black text reads best on it, at 7.46:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.46:1 |
| White text | 2.81:1 |
Values
| HEX | #729ECB |
| RGB | rgb(114, 158, 203) |
| HSL | hsl(210, 46%, 62%) |
| OKLCH | oklch(68.5% 0.082 249.7) |
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 #729ECB | 2.81:1 | Fails | Lc -59.3 | Large or bold text, headings |
| Black text on #729ECB | 7.46:1 | AAA | Lc 50.1 | Large or bold text, headings |
| #729ECB text on white | 2.81:1 | Fails | Lc 54.0 | Large or bold text, headings |
| #729ECB text on black | 7.46:1 | AAA | Lc -47.8 | 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
#E3EBF4
oklch(93.7% 0.015 251.2)
-
Step 200
200
#CBDBEC
oklch(88.5% 0.029 249.8)
-
Step 300
300
#A8C4E1
oklch(80.9% 0.051 249.4)
-
Step 400
400 (this color)
#729ECB
oklch(68.5% 0.082 249.7)
-
Step 500
500
#558EC6
oklch(63.1% 0.104 249.4)
-
Step 600
600
#3877B3
oklch(55.6% 0.114 249.6)
-
Step 700
700
#2A649A
oklch(49.2% 0.106 249.5)
-
Step 800
800
#24527D
oklch(42.8% 0.088 249.2)
-
Step 900
900
#234464
oklch(37.7% 0.068 249.4)
-
Step 950
950
#15283B
oklch(27.1% 0.044 249.7)
#729ECB 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) | #8C9FCD | 0.032 |
| Deuteranopia (no green cones) | #8196CA | 0.026 |
| Tritanopia (no blue cones) | #4FA8AD | 0.070 |
| Achromatopsia (no color) | #9A9A9A | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #729ECB
#729ECB
oklch(68.5% 0.082 249.7)
- #BB9160
#BB9160
oklch(68.5% 0.083 70)
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 #729ECB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.037
- Bluegrey #85A3B2 ΔE 0.049
- Bluey Grey #89A0B0 ΔE 0.049
- Cool Gray #8D99AE ΔE 0.050
- Faded Blue #658CBB ΔE 0.055
- Silver Lake Blue #778DA9 ΔE 0.059
- Cornflower Blue #6495ED ΔE 0.064
- Blue Grey #758DA3 ΔE 0.065
Use #729ECB 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.