#738EA5
Closest named color: Blue Grey (#758DA3). oklch(63.4% 0.046 244.3), rgb(115, 142, 165).
Aa
Black text reads best on this color (6.14:1).
About this color
#738EA5 is a medium-light, muted blue. In OKLCH its lightness is 63%, its chroma 0.046 and its hue 244°. Its hue sits on the cool side of the wheel. The nearest named color is Blue Grey (#758DA3), ΔE 0.004 away. Black text reads best on it, at 6.14:1.
| Hue family | Blues |
| Lightness | medium-light (63%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Blue Grey (#758DA3) |
| Black text | 6.14:1 |
| White text | 3.41:1 |
Values
| HEX | #738EA5 |
| RGB | rgb(115, 142, 165) |
| HSL | hsl(208, 22%, 55%) |
| OKLCH | oklch(63.4% 0.046 244.3) |
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 #738EA5 | 3.41:1 | AA large text | Lc -67.2 | Content text, not long reading |
| Black text on #738EA5 | 6.14:1 | AA | Lc 42.4 | Non-text elements, placeholder text |
| #738EA5 text on white | 3.41:1 | AA large text | Lc 61.7 | Content text, not long reading |
| #738EA5 text on black | 6.14:1 | AA | Lc -40.0 | Non-text elements, placeholder text |
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
#F4F6F7
oklch(97.2% 0.003 228.8)
-
Step 100
100
#E6EAEE
oklch(93.5% 0.007 247.9)
-
Step 200
200
#D2DAE1
oklch(88.4% 0.013 244.3)
-
Step 300
300
#B5C3CF
oklch(81% 0.023 243.9)
-
Step 400
400
#8EA4B6
oklch(70.8% 0.036 242.9)
-
Step 500
500 (this color)
#738EA5
oklch(63.4% 0.046 244.3)
-
Step 600
600
#5A778F
oklch(55.6% 0.05 243.8)
-
Step 700
700
#4A647A
oklch(49.1% 0.047 244.5)
-
Step 800
800
#3D5263
oklch(42.8% 0.038 243.2)
-
Step 900
900
#344451
oklch(37.8% 0.03 243.1)
-
Step 950
950
#1F282F
oklch(27.1% 0.018 241.7)
#738EA5 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) | #858EA6 | 0.024 |
| Deuteranopia (no green cones) | #7E88A5 | 0.021 |
| Tritanopia (no blue cones) | #649395 | 0.038 |
| Achromatopsia (no color) | #8B8B8B | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #738EA5
#738EA5
oklch(63.4% 0.046 244.3)
- #9F856D
#9F856D
oklch(63.4% 0.047 64.5)
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 #738EA5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Blue Grey #758DA3 ΔE 0.004
- Silver Lake Blue #778DA9 ΔE 0.009
- Light Slate Gray #778899 ΔE 0.021
- Steel #738595 ΔE 0.030
- Faded Blue #658CBB ΔE 0.039
- Lavender Gray #7E7F9A ΔE 0.041
- Dusty Blue #5A86AD ΔE 0.043
- Slate Gray #708090 ΔE 0.045
Use #738EA5 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.