#739FA3
Closest named color: Cadet Blue (#5F9EA0). oklch(67.2% 0.048 203.1), rgb(115, 159, 163).
Aa
Black text reads best on this color (7.21:1).
About this color
#739FA3 is a medium-light, muted teal or cyan. In OKLCH its lightness is 67%, its chroma 0.048 and its hue 203°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.023 away. Black text reads best on it, at 7.21:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | muted (0.048) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 7.21:1 |
| White text | 2.90:1 |
Values
| HEX | #739FA3 |
| RGB | rgb(115, 159, 163) |
| HSL | hsl(185, 21%, 55%) |
| OKLCH | oklch(67.2% 0.048 203.1) |
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 #739FA3 | 2.90:1 | Fails | Lc -60.7 | Content text, not long reading |
| Black text on #739FA3 | 7.21:1 | AAA | Lc 48.6 | Large or bold text, headings |
| #739FA3 text on white | 2.90:1 | Fails | Lc 55.4 | Large or bold text, headings |
| #739FA3 text on black | 7.21:1 | AAA | Lc -46.4 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E4ECEC
oklch(93.7% 0.009 197)
-
Step 200
200
#CDDDDE
oklch(88.6% 0.017 201.4)
-
Step 300
300
#ABC7C9
oklch(81% 0.03 201.9)
-
Step 400
400 (this color)
#739FA3
oklch(67.2% 0.048 203.1)
-
Step 500
500
#5B959A
oklch(63.2% 0.061 202.8)
-
Step 600
600
#3E7F85
oklch(55.6% 0.067 203.4)
-
Step 700
700
#306B70
oklch(49.1% 0.062 202.8)
-
Step 800
800
#29575B
oklch(42.6% 0.051 202.9)
-
Step 900
900
#26484B
oklch(37.7% 0.04 203)
-
Step 950
950
#172A2C
oklch(27% 0.025 204.3)
#739FA3 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) | #989BA3 | 0.048 |
| Deuteranopia (no green cones) | #9095A3 | 0.044 |
| Tritanopia (no blue cones) | #62A2A0 | 0.021 |
| Achromatopsia (no color) | #979797 | 0.048 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #739FA3
#739FA3
oklch(67.2% 0.048 203.1)
- #B28B88
#B28B88
oklch(67.3% 0.048 23.5)
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 #739FA3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.023
- Greyblue #77A1B5 ΔE 0.027
- Bluegrey #85A3B2 ΔE 0.034
- Bluey Grey #89A0B0 ΔE 0.035
- Dull Teal #5F9E8F ΔE 0.039
- Cool Gray #8D99AE ΔE 0.043
- Cool Grey #95A3A6 ΔE 0.046
- Grey Teal #5E9B8A ΔE 0.046
Use #739FA3 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.