#739BB2
Closest named color: Greyblue (#77A1B5). oklch(66.8% 0.056 233.9), rgb(115, 155, 178).
Aa
Black text reads best on this color (7.06:1).
About this color
#739BB2 is a medium-light, muted blue. In OKLCH its lightness is 67%, its chroma 0.056 and its hue 234°. 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 7.06:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.06:1 |
| White text | 2.97:1 |
Values
| HEX | #739BB2 |
| RGB | rgb(115, 155, 178) |
| HSL | hsl(202, 29%, 57%) |
| OKLCH | oklch(66.8% 0.056 233.9) |
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 #739BB2 | 2.97:1 | Fails | Lc -61.6 | Content text, not long reading |
| Black text on #739BB2 | 7.06:1 | AAA | Lc 47.8 | Large or bold text, headings |
| #739BB2 text on white | 2.97:1 | Fails | Lc 56.3 | Large or bold text, headings |
| #739BB2 text on black | 7.06:1 | AAA | Lc -45.5 | 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 500.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBEE
oklch(93.6% 0.008 228.9)
-
Step 200
200
#D0DBE2
oklch(88.5% 0.015 235.4)
-
Step 300
300
#B0C4D0
oklch(80.9% 0.028 234.1)
-
Step 400
400
#87A6B8
oklch(70.8% 0.043 233.7)
-
Step 500
500 (this color)
#739BB2
oklch(66.8% 0.056 233.9)
-
Step 600
600
#4F7991
oklch(55.5% 0.06 234.4)
-
Step 700
700
#3F667C
oklch(49% 0.057 234.3)
-
Step 800
800
#355365
oklch(42.6% 0.047 235.7)
-
Step 900
900
#2E4552
oklch(37.7% 0.036 233.8)
-
Step 950
950
#1B2830
oklch(26.9% 0.023 235.8)
#739BB2 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) | #909AB3 | 0.037 |
| Deuteranopia (no green cones) | #8792B2 | 0.034 |
| Tritanopia (no blue cones) | #5DA1A2 | 0.042 |
| Achromatopsia (no color) | #969696 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #739BB2
#739BB2
oklch(66.8% 0.056 233.9)
- #B18C75
#B18C75
oklch(66.9% 0.056 53.4)
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 #739BB2, 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 0.032
- Bluey Grey #89A0B0 ΔE 0.032
- Bluegrey #85A3B2 ΔE 0.034
- Silver Lake Blue #778DA9 ΔE 0.038
- Blue Grey #758DA3 ΔE 0.039
- Cadet Blue #5F9EA0 ΔE 0.039
- Faded Blue #658CBB ΔE 0.053
Use #739BB2 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.