#739DCF
Closest named color: Greyblue (#77A1B5). oklch(68.5% 0.087 253.3), rgb(115, 157, 207).
Aa
Black text reads best on this color (7.45:1).
About this color
#739DCF is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.087 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.044 away. Black text reads best on it, at 7.45:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.087) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.45:1 |
| White text | 2.81:1 |
Values
| HEX | #739DCF |
| RGB | rgb(115, 157, 207) |
| HSL | hsl(213, 49%, 63%) |
| OKLCH | oklch(68.5% 0.087 253.3) |
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 #739DCF | 2.81:1 | Fails | Lc -59.3 | Large or bold text, headings |
| Black text on #739DCF | 7.45:1 | AAA | Lc 50.0 | Large or bold text, headings |
| #739DCF text on white | 2.81:1 | Fails | Lc 54.1 | Large or bold text, headings |
| #739DCF text on black | 7.45:1 | 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
#CCDBED
oklch(88.6% 0.03 253)
-
Step 300
300
#A8C3E4
oklch(80.8% 0.055 253.6)
-
Step 400
400 (this color)
#739DCF
oklch(68.5% 0.087 253.3)
-
Step 500
500
#568CCB
oklch(63% 0.112 253.3)
-
Step 600
600
#3A75B8
oklch(55.5% 0.122 253.3)
-
Step 700
700
#2C629F
oklch(49.1% 0.114 253.5)
-
Step 800
800
#265081
oklch(42.6% 0.094 253.9)
-
Step 900
900
#244367
oklch(37.7% 0.072 253.4)
-
Step 950
950
#15273C
oklch(26.8% 0.046 253.2)
#739DCF 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) | #8A9FD1 | 0.029 |
| Deuteranopia (no green cones) | #7F96CE | 0.022 |
| Tritanopia (no blue cones) | #4FA8AE | 0.076 |
| Achromatopsia (no color) | #9A9A9A | 0.087 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #739DCF
#739DCF
oklch(68.5% 0.087 253.3)
- #BB915B
#BB915B
oklch(68.4% 0.087 72.5)
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 #739DCF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.044
- Cool Gray #8D99AE ΔE 0.054
- Bluegrey #85A3B2 ΔE 0.055
- Faded Blue #658CBB ΔE 0.055
- Bluey Grey #89A0B0 ΔE 0.055
- Cornflower Blue #6495ED ΔE 0.057
- Silver Lake Blue #778DA9 ΔE 0.062
- Blue Grey #758DA3 ΔE 0.069
Use #739DCF 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.