#738097
Closest named color: Slate Gray (#708090). oklch(59.7% 0.038 261.9), rgb(115, 128, 151).
Aa
Black text reads best on this color (5.26:1).
About this color
#738097 is a medium-dark, muted blue. In OKLCH its lightness is 60%, its chroma 0.038 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Slate Gray (#708090), ΔE 0.012 away. Black text reads best on it, at 5.26:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Slate Gray (#708090) |
| Black text | 5.26:1 |
| White text | 3.98:1 |
Values
| HEX | #738097 |
| RGB | rgb(115, 128, 151) |
| HSL | hsl(218, 15%, 52%) |
| OKLCH | oklch(59.7% 0.038 261.9) |
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 #738097 | 3.98:1 | AA large text | Lc -72.7 | Content text, not long reading |
| Black text on #738097 | 5.26:1 | AA | Lc 36.9 | Non-text elements, placeholder text |
| #738097 text on white | 3.98:1 | AA large text | Lc 67.2 | Content text, not long reading |
| #738097 text on black | 5.26:1 | AA | Lc -34.4 | 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
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E8EAEE
oklch(93.7% 0.006 264.5)
-
Step 200
200
#D5D9E0
oklch(88.4% 0.011 261.8)
-
Step 300
300
#BAC1CD
oklch(80.9% 0.019 261.3)
-
Step 400
400
#96A1B4
oklch(70.6% 0.03 261.4)
-
Step 500
500 (this color)
#738097
oklch(59.7% 0.038 261.9)
-
Step 600
600
#66748C
oklch(55.6% 0.041 261.2)
-
Step 700
700
#556177
oklch(49.1% 0.038 262.5)
-
Step 800
800
#454F61
oklch(42.6% 0.033 262.1)
-
Step 900
900
#3A424F
oklch(37.7% 0.025 260.1)
-
Step 950
950
#22272E
oklch(27.1% 0.015 256.8)
#738097 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) | #798198 | 0.009 |
| Deuteranopia (no green cones) | #757E96 | 0.006 |
| Tritanopia (no blue cones) | #6A8587 | 0.035 |
| Achromatopsia (no color) | #7F7F7F | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #738097
#738097
oklch(59.7% 0.038 261.9)
- #8B7E66
#8B7E66
oklch(59.8% 0.038 82.8)
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 #738097, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Slate Gray #708090 ΔE 0.012
- Steel #738595 ΔE 0.016
- Lavender Gray #7E7F9A ΔE 0.017
- Light Slate Gray #778899 ΔE 0.024
- Steel Grey #6F828A ΔE 0.024
- Grey Blue #647D8E ΔE 0.027
- Battleship Grey #6B7C85 ΔE 0.031
- Blue Grey #758DA3 ΔE 0.037
Use #738097 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.