#649689
Closest named color: Grey Teal (#5E9B8A). oklch(63.4% 0.057 176.3), rgb(100, 150, 137).
Aa
Black text reads best on this color (6.26:1).
About this color
#649689 is a medium-light, muted teal or cyan. In OKLCH its lightness is 63%, its chroma 0.057 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Teal (#5E9B8A), ΔE 0.015 away. Black text reads best on it, at 6.26:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (63%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Grey Teal (#5E9B8A) |
| Black text | 6.26:1 |
| White text | 3.35:1 |
Values
| HEX | #649689 |
| RGB | rgb(100, 150, 137) |
| HSL | hsl(164, 20%, 49%) |
| OKLCH | oklch(63.4% 0.057 176.3) |
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 #649689 | 3.35:1 | AA large text | Lc -66.4 | Content text, not long reading |
| Black text on #649689 | 6.26:1 | AA | Lc 43.2 | Non-text elements, placeholder text |
| #649689 text on white | 3.35:1 | AA large text | Lc 60.9 | Content text, not long reading |
| #649689 text on black | 6.26:1 | AA | Lc -40.8 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5ECE9
oklch(93.7% 0.008 168.7)
-
Step 200
200
#CFDDD9
oklch(88.6% 0.016 177)
-
Step 300
300
#AFC7C0
oklch(81% 0.028 176.2)
-
Step 400
400
#83AAA0
oklch(70.6% 0.045 177.5)
-
Step 500
500 (this color)
#649689
oklch(63.4% 0.057 176.3)
-
Step 600
600
#497F72
oklch(55.5% 0.062 176.7)
-
Step 700
700
#3A6C60
oklch(49.2% 0.058 176.4)
-
Step 800
800
#30584E
oklch(42.8% 0.049 175.9)
-
Step 900
900
#2B4841
oklch(37.6% 0.037 177.2)
-
Step 950
950
#1A2A26
oklch(26.9% 0.023 177.2)
#649689 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) | #929088 | 0.060 |
| Deuteranopia (no green cones) | #8A8A8A | 0.057 |
| Tritanopia (no blue cones) | #559792 | 0.018 |
| Achromatopsia (no color) | #8C8C8C | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #649689
#649689
oklch(63.4% 0.057 176.3)
- #A77C8B
#A77C8B
oklch(63.3% 0.057 356.1)
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 #649689, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Teal #5E9B8A ΔE 0.015
- Dull Teal #5F9E8F ΔE 0.022
- Dusty Teal #4C9085 ΔE 0.032
- Cadet Blue #5F9EA0 ΔE 0.034
- Sea #3C9992 ΔE 0.035
- Green Grey #77926F ΔE 0.038
- Slate Green #658D6D ΔE 0.041
- Persian Green #2A9D8F ΔE 0.045
Use #649689 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.