#738F8D
Closest named color: Light Slate Gray (#778899). oklch(62.8% 0.032 191), rgb(115, 143, 141).
Aa
Black text reads best on this color (6.04:1).
About this color
#738F8D is a medium-light, muted teal or cyan. In OKLCH its lightness is 63%, its chroma 0.032 and its hue 191°. Its hue sits on the cool side of the wheel. The nearest named color is Light Slate Gray (#778899), ΔE 0.032 away. Black text reads best on it, at 6.04:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (63%) |
| Chroma | muted (0.032) |
| Temperature | cool |
| Nearest name | Light Slate Gray (#778899) |
| Black text | 6.04:1 |
| White text | 3.47:1 |
Values
| HEX | #738F8D |
| RGB | rgb(115, 143, 141) |
| HSL | hsl(176, 11%, 51%) |
| OKLCH | oklch(62.8% 0.032 191) |
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 #738F8D | 3.47:1 | AA large text | Lc -67.8 | Content text, not long reading |
| Black text on #738F8D | 6.04:1 | AA | Lc 41.8 | Non-text elements, placeholder text |
| #738F8D text on white | 3.47:1 | AA large text | Lc 62.3 | Content text, not long reading |
| #738F8D text on black | 6.04:1 | AA | Lc -39.4 | 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
#F4F6F6
oklch(97.2% 0.002 197.1)
-
Step 100
100
#E7EBEA
oklch(93.7% 0.004 179.7)
-
Step 200
200
#D3DBDA
oklch(88.5% 0.009 188.1)
-
Step 300
300
#B6C4C3
oklch(80.9% 0.015 191.7)
-
Step 400
400
#90A6A4
oklch(70.8% 0.025 189.9)
-
Step 500
500 (this color)
#738F8D
oklch(62.8% 0.032 191)
-
Step 600
600
#5C7A78
oklch(55.6% 0.035 191.1)
-
Step 700
700
#4C6765
oklch(49.2% 0.032 190.5)
-
Step 800
800
#3E5452
oklch(42.7% 0.027 189.3)
-
Step 900
900
#354544
oklch(37.6% 0.021 191.6)
-
Step 950
950
#1F2928
oklch(27.1% 0.014 188.9)
#738F8D 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) | #8C8C8D | 0.034 |
| Deuteranopia (no green cones) | #86888D | 0.031 |
| Tritanopia (no blue cones) | #6B918E | 0.010 |
| Achromatopsia (no color) | #898989 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #738F8D
#738F8D
oklch(62.8% 0.032 191)
- #9B8184
#9B8184
oklch(62.8% 0.032 10.2)
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 #738F8D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Slate Gray #778899 ΔE 0.032
- Steel #738595 ΔE 0.035
- Blue Grey #758DA3 ΔE 0.036
- Steel Grey #6F828A ΔE 0.038
- Grey Teal #5E9B8A ΔE 0.042
- Gray #808080 ΔE 0.042
- Medium Grey #7D7F7C ΔE 0.045
- Cadet Blue #5F9EA0 ΔE 0.045
Use #738F8D 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.