#739CD8
Closest named color: Cornflower Blue (#6495ED). oklch(68.7% 0.1 257.8), rgb(115, 156, 216).
Aa
Black text reads best on this color (7.47:1).
About this color
#739CD8 is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.100 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Cornflower Blue (#6495ED), ΔE 0.044 away. Black text reads best on it, at 7.47:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Cornflower Blue (#6495ED) |
| Black text | 7.47:1 |
| White text | 2.80:1 |
Values
| HEX | #739CD8 |
| RGB | rgb(115, 156, 216) |
| HSL | hsl(216, 56%, 65%) |
| OKLCH | oklch(68.7% 0.1 257.8) |
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 #739CD8 | 2.80:1 | Fails | Lc -59.2 | Large or bold text, headings |
| Black text on #739CD8 | 7.47:1 | AAA | Lc 50.1 | Large or bold text, headings |
| #739CD8 text on white | 2.80:1 | Fails | Lc 53.9 | Large or bold text, headings |
| #739CD8 text on black | 7.47:1 | AAA | Lc -47.9 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E3EBF6
oklch(93.7% 0.017 256.3)
-
Step 200
200
#CBDAF1
oklch(88.4% 0.036 258.9)
-
Step 300
300
#A8C2E9
oklch(80.8% 0.062 258.4)
-
Step 400
400 (this color)
#739CD8
oklch(68.7% 0.1 257.8)
-
Step 500
500
#568AD6
oklch(63.1% 0.128 257.8)
-
Step 600
600
#3B72C3
oklch(55.5% 0.139 258.1)
-
Step 700
700
#2D5FA8
oklch(49% 0.129 258.1)
-
Step 800
800
#264E88
oklch(42.6% 0.107 257.9)
-
Step 900
900
#24426D
oklch(37.8% 0.082 257.5)
-
Step 950
950
#152740
oklch(27.1% 0.053 256.9)
#739CD8 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) | #85A0DB | 0.026 |
| Deuteranopia (no green cones) | #7996D7 | 0.017 |
| Tritanopia (no blue cones) | #49A9B1 | 0.088 |
| Achromatopsia (no color) | #9A9A9A | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #739CD8
#739CD8
oklch(68.7% 0.1 257.8)
- #BD924E
#BD924E
oklch(68.7% 0.1 77.2)
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 #739CD8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cornflower Blue #6495ED ΔE 0.044
- Greyblue #77A1B5 ΔE 0.059
- Faded Blue #658CBB ΔE 0.059
- Chefchaouen Blue #4895EF ΔE 0.060
- Perrywinkle #8F8CE7 ΔE 0.061
- Periwinkle Blue #8F99FB ΔE 0.066
- Cool Gray #8D99AE ΔE 0.066
- Dark Sky Blue #448EE4 ΔE 0.068
Use #739CD8 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.