#729BCB
Closest named color: Greyblue (#77A1B5). oklch(67.8% 0.085 252.9), rgb(114, 155, 203).
Aa
Black text reads best on this color (7.26:1).
About this color
#729BCB is a medium-light, moderately saturated blue. In OKLCH its lightness is 68%, its chroma 0.085 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.042 away. Black text reads best on it, at 7.26:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.085) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.26:1 |
| White text | 2.89:1 |
Values
| HEX | #729BCB |
| RGB | rgb(114, 155, 203) |
| HSL | hsl(212, 46%, 62%) |
| OKLCH | oklch(67.8% 0.085 252.9) |
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 #729BCB | 2.89:1 | Fails | Lc -60.4 | Content text, not long reading |
| Black text on #729BCB | 7.26:1 | AAA | Lc 48.9 | Large or bold text, headings |
| #729BCB text on white | 2.89:1 | Fails | Lc 55.1 | Large or bold text, headings |
| #729BCB text on black | 7.26:1 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E3EBF4
oklch(93.7% 0.015 251.2)
-
Step 200
200
#CCDBED
oklch(88.6% 0.03 253)
-
Step 300
300
#A9C3E3
oklch(80.8% 0.054 253.8)
-
Step 400
400 (this color)
#729BCB
oklch(67.8% 0.085 252.9)
-
Step 500
500
#588DC9
oklch(63.2% 0.107 252.6)
-
Step 600
600
#3C76B6
oklch(55.7% 0.117 252.6)
-
Step 700
700
#2E629D
oklch(49% 0.11 253.4)
-
Step 800
800
#27517F
oklch(42.8% 0.09 252.5)
-
Step 900
900
#244366
oklch(37.7% 0.071 252.7)
-
Step 950
950
#16273C
oklch(26.9% 0.046 254.4)
#729BCB 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) | #899DCD | 0.030 |
| Deuteranopia (no green cones) | #7E94CA | 0.022 |
| Tritanopia (no blue cones) | #50A6AB | 0.074 |
| Achromatopsia (no color) | #989898 | 0.085 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #729BCB
#729BCB
oklch(67.8% 0.085 252.9)
- #B8905B
#B8905B
oklch(67.9% 0.085 73.4)
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 #729BCB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.042
- Faded Blue #658CBB ΔE 0.048
- Cool Gray #8D99AE ΔE 0.051
- Bluey Grey #89A0B0 ΔE 0.054
- Bluegrey #85A3B2 ΔE 0.054
- Silver Lake Blue #778DA9 ΔE 0.055
- Cornflower Blue #6495ED ΔE 0.059
- Blue Grey #758DA3 ΔE 0.062
Use #729BCB 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.