#648783
Closest named color: Steel Grey (#6F828A). oklch(59.6% 0.04 187.4), rgb(100, 135, 131).
Aa
Black text reads best on this color (5.33:1).
About this color
#648783 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 60%, its chroma 0.040 and its hue 187°. Its hue sits on the cool side of the wheel. The nearest named color is Steel Grey (#6F828A), ΔE 0.025 away. Black text reads best on it, at 5.33:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (60%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Steel Grey (#6F828A) |
| Black text | 5.33:1 |
| White text | 3.93:1 |
Values
| HEX | #648783 |
| RGB | rgb(100, 135, 131) |
| HSL | hsl(173, 15%, 46%) |
| OKLCH | oklch(59.6% 0.04 187.4) |
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 #648783 | 3.93:1 | AA large text | Lc -72.2 | Content text, not long reading |
| Black text on #648783 | 5.33:1 | AA | Lc 37.4 | Non-text elements, placeholder text |
| #648783 text on white | 3.93:1 | AA large text | Lc 66.7 | Content text, not long reading |
| #648783 text on black | 5.33:1 | AA | Lc -34.9 | 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
#E6EBEA
oklch(93.6% 0.006 183)
-
Step 200
200
#D2DBDA
oklch(88.4% 0.01 189)
-
Step 300
300
#B3C5C3
oklch(80.9% 0.02 188.7)
-
Step 400
400
#8BA7A4
oklch(70.6% 0.031 188.5)
-
Step 500
500 (this color)
#648783
oklch(59.6% 0.04 187.4)
-
Step 600
600
#567C78
oklch(55.7% 0.043 187.8)
-
Step 700
700
#466865
oklch(49% 0.04 189)
-
Step 800
800
#3A5552
oklch(42.7% 0.033 187.4)
-
Step 900
900
#324644
oklch(37.7% 0.025 188.5)
-
Step 950
950
#1D2928
oklch(26.9% 0.017 189.9)
#648783 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) | #838383 | 0.042 |
| Deuteranopia (no green cones) | #7D7E83 | 0.040 |
| Tritanopia (no blue cones) | #598986 | 0.013 |
| Achromatopsia (no color) | #808080 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #648783
#648783
oklch(59.6% 0.04 187.4)
- #95757B
#95757B
oklch(59.5% 0.041 5.8)
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 #648783, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Steel Grey #6F828A ΔE 0.025
- Dusty Teal #4C9085 ΔE 0.034
- Battleship Grey #6B7C85 ΔE 0.034
- Slate Gray #708090 ΔE 0.037
- Medium Grey #7D7F7C ΔE 0.037
- Steel #738595 ΔE 0.037
- Grey Blue #647D8E ΔE 0.039
- Gray #808080 ΔE 0.040
Use #648783 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.