#739CCB
Closest named color: Greyblue (#77A1B5). oklch(68.1% 0.083 252.4), rgb(115, 156, 203).
Aa
Black text reads best on this color (7.34:1).
About this color
#739CCB is a medium-light, moderately saturated blue. In OKLCH its lightness is 68%, its chroma 0.083 and its hue 252°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.040 away. Black text reads best on it, at 7.34:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.34:1 |
| White text | 2.85:1 |
Values
| HEX | #739CCB |
| RGB | rgb(115, 156, 203) |
| HSL | hsl(212, 46%, 62%) |
| OKLCH | oklch(68.1% 0.083 252.4) |
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 #739CCB | 2.85:1 | Fails | Lc -60.0 | Large or bold text, headings |
| Black text on #739CCB | 7.34:1 | AAA | Lc 49.4 | Large or bold text, headings |
| #739CCB text on white | 2.85:1 | Fails | Lc 54.7 | Large or bold text, headings |
| #739CCB text on black | 7.34:1 | AAA | Lc -47.2 | 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
#CCDBEC
oklch(88.5% 0.029 251.5)
-
Step 300
300
#A9C3E2
oklch(80.8% 0.052 253)
-
Step 400
400 (this color)
#739CCB
oklch(68.1% 0.083 252.4)
-
Step 500
500
#588DC8
oklch(63.2% 0.106 252.2)
-
Step 600
600
#3C76B5
oklch(55.6% 0.116 252.3)
-
Step 700
700
#2E639C
oklch(49.2% 0.108 252.3)
-
Step 800
800
#27517E
oklch(42.7% 0.089 252)
-
Step 900
900
#254365
oklch(37.6% 0.069 252.8)
-
Step 950
950
#16283B
oklch(27.1% 0.043 250.9)
#739CCB 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) | #8A9ECD | 0.030 |
| Deuteranopia (no green cones) | #7F95CA | 0.022 |
| Tritanopia (no blue cones) | #51A7AC | 0.073 |
| Achromatopsia (no color) | #999999 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #739CCB
#739CCB
oklch(68.1% 0.083 252.4)
- #B8905E
#B8905E
oklch(68% 0.082 71.9)
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 #739CCB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.040
- Cool Gray #8D99AE ΔE 0.050
- Faded Blue #658CBB ΔE 0.051
- Bluey Grey #89A0B0 ΔE 0.051
- Bluegrey #85A3B2 ΔE 0.052
- Silver Lake Blue #778DA9 ΔE 0.056
- Cornflower Blue #6495ED ΔE 0.061
- Blue Grey #758DA3 ΔE 0.063
Use #739CCB 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.