#739BB5
Closest named color: Greyblue (#77A1B5). oklch(67% 0.058 237.3), rgb(115, 155, 181).
Aa
Black text reads best on this color (7.08:1).
About this color
#739BB5 is a medium-light, muted blue. In OKLCH its lightness is 67%, its chroma 0.058 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.018 away. Black text reads best on it, at 7.08:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.08:1 |
| White text | 2.96:1 |
Values
| HEX | #739BB5 |
| RGB | rgb(115, 155, 181) |
| HSL | hsl(204, 31%, 58%) |
| OKLCH | oklch(67% 0.058 237.3) |
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 #739BB5 | 2.96:1 | Fails | Lc -61.5 | Content text, not long reading |
| Black text on #739BB5 | 7.08:1 | AAA | Lc 47.9 | Large or bold text, headings |
| #739BB5 text on white | 2.96:1 | Fails | Lc 56.2 | Large or bold text, headings |
| #739BB5 text on black | 7.08:1 | AAA | Lc -45.6 | 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
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E4EBF0
oklch(93.6% 0.01 238.5)
-
Step 200
200
#CDDBE5
oklch(88.4% 0.02 238.7)
-
Step 300
300
#ABC5D6
oklch(80.9% 0.037 236.6)
-
Step 400
400 (this color)
#739BB5
oklch(67% 0.058 237.3)
-
Step 500
500
#5C90B1
oklch(63% 0.075 237.5)
-
Step 600
600
#417A9D
oklch(55.6% 0.081 237.6)
-
Step 700
700
#326786
oklch(49.1% 0.075 236.7)
-
Step 800
800
#2A546D
oklch(42.7% 0.063 236.9)
-
Step 900
900
#274558
oklch(37.6% 0.049 237.8)
-
Step 950
950
#172934
oklch(27.1% 0.031 236.4)
#739BB5 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) | #8F9AB6 | 0.035 |
| Deuteranopia (no green cones) | #8693B5 | 0.031 |
| Tritanopia (no blue cones) | #5CA2A3 | 0.046 |
| Achromatopsia (no color) | #969696 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #739BB5
#739BB5
oklch(67% 0.058 237.3)
- #B18D72
#B18D72
oklch(67% 0.058 58.4)
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 #739BB5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.018
- Cool Gray #8D99AE ΔE 0.033
- Bluey Grey #89A0B0 ΔE 0.033
- Bluegrey #85A3B2 ΔE 0.034
- Silver Lake Blue #778DA9 ΔE 0.038
- Blue Grey #758DA3 ΔE 0.041
- Cadet Blue #5F9EA0 ΔE 0.043
- Faded Blue #658CBB ΔE 0.051
Use #739BB5 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.