#738997
Closest named color: Light Slate Gray (#778899). oklch(61.8% 0.033 236), rgb(115, 137, 151).
Aa
Black text reads best on this color (5.75:1).
About this color
#738997 is a medium-dark, muted blue. In OKLCH its lightness is 62%, its chroma 0.033 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Light Slate Gray (#778899), ΔE 0.007 away. Black text reads best on it, at 5.75:1.
| Hue family | Blues |
| Lightness | medium-dark (62%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Light Slate Gray (#778899) |
| Black text | 5.75:1 |
| White text | 3.64:1 |
Values
| HEX | #738997 |
| RGB | rgb(115, 137, 151) |
| HSL | hsl(203, 15%, 52%) |
| OKLCH | oklch(61.8% 0.033 236) |
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 #738997 | 3.64:1 | AA large text | Lc -69.6 | Content text, not long reading |
| Black text on #738997 | 5.75:1 | AA | Lc 40.0 | Non-text elements, placeholder text |
| #738997 text on white | 3.64:1 | AA large text | Lc 64.1 | Content text, not long reading |
| #738997 text on black | 5.75:1 | AA | Lc -37.6 | 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
#E7EAEC
oklch(93.5% 0.004 236.5)
-
Step 200
200
#D4DADE
oklch(88.5% 0.009 236.6)
-
Step 300
300
#B7C2CA
oklch(80.8% 0.017 239.2)
-
Step 400
400
#92A3AF
oklch(70.6% 0.026 238.6)
-
Step 500
500 (this color)
#738997
oklch(61.8% 0.033 236)
-
Step 600
600
#607786
oklch(55.6% 0.036 236.9)
-
Step 700
700
#4F6471
oklch(49.1% 0.033 235.5)
-
Step 800
800
#41525C
oklch(42.8% 0.027 234.1)
-
Step 900
900
#37444C
oklch(37.8% 0.022 235.2)
-
Step 950
950
#20282C
oklch(27.1% 0.014 229.5)
#738997 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) | #838898 | 0.022 |
| Deuteranopia (no green cones) | #7E8497 | 0.020 |
| Tritanopia (no blue cones) | #698D8D | 0.026 |
| Achromatopsia (no color) | #868686 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #738997
#738997
oklch(61.8% 0.033 236)
- #968173
#968173
oklch(61.9% 0.033 55.7)
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 #738997, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Slate Gray #778899 ΔE 0.007
- Steel #738595 ΔE 0.011
- Blue Grey #758DA3 ΔE 0.019
- Steel Grey #6F828A ΔE 0.025
- Slate Gray #708090 ΔE 0.026
- Silver Lake Blue #778DA9 ΔE 0.028
- Lavender Gray #7E7F9A ΔE 0.033
- Gray #808080 ΔE 0.038
Use #738997 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.