#739BBF
Closest named color: Greyblue (#77A1B5). oklch(67.4% 0.069 246.2), rgb(115, 155, 191).
Aa
Black text reads best on this color (7.16:1).
About this color
#739BBF is a medium-light, muted blue. In OKLCH its lightness is 67%, its chroma 0.069 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.027 away. Black text reads best on it, at 7.16:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.16:1 |
| White text | 2.92:1 |
Values
| HEX | #739BBF |
| RGB | rgb(115, 155, 191) |
| HSL | hsl(208, 37%, 60%) |
| OKLCH | oklch(67.4% 0.069 246.2) |
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 #739BBF | 2.92:1 | Fails | Lc -61.0 | Content text, not long reading |
| Black text on #739BBF | 7.16:1 | AAA | Lc 48.4 | Large or bold text, headings |
| #739BBF text on white | 2.92:1 | Fails | Lc 55.7 | Large or bold text, headings |
| #739BBF text on black | 7.16:1 | AAA | Lc -46.1 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF2
oklch(93.6% 0.013 244.3)
-
Step 200
200
#CDDBE8
oklch(88.5% 0.023 246.1)
-
Step 300
300
#ABC4DC
oklch(80.9% 0.044 247.3)
-
Step 400
400 (this color)
#739BBF
oklch(67.4% 0.069 246.2)
-
Step 500
500
#5B8FBC
oklch(63.2% 0.088 245.9)
-
Step 600
600
#3F78A8
oklch(55.5% 0.096 246.1)
-
Step 700
700
#316590
oklch(49.1% 0.089 245.9)
-
Step 800
800
#295275
oklch(42.6% 0.075 246.5)
-
Step 900
900
#26445F
oklch(37.6% 0.059 247.2)
-
Step 950
950
#172837
oklch(26.9% 0.036 246.3)
#739BBF 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) | #8D9BC1 | 0.033 |
| Deuteranopia (no green cones) | #8393BE | 0.028 |
| Tritanopia (no blue cones) | #58A3A7 | 0.057 |
| Achromatopsia (no color) | #979797 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #739BBF
#739BBF
oklch(67.4% 0.069 246.2)
- #B48E68
#B48E68
oklch(67.3% 0.07 66.2)
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 #739BBF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.027
- Cool Gray #8D99AE ΔE 0.038
- Bluey Grey #89A0B0 ΔE 0.040
- Bluegrey #85A3B2 ΔE 0.041
- Silver Lake Blue #778DA9 ΔE 0.043
- Faded Blue #658CBB ΔE 0.047
- Blue Grey #758DA3 ΔE 0.049
- Cadet Blue #5F9EA0 ΔE 0.057
Use #739BBF 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.