#67738F
Closest named color: Grey Blue (#647D8E). oklch(55.6% 0.046 266.7), rgb(103, 115, 143).
Aa
White text reads best on this color (4.74:1).
About this color
#67738F is a medium-dark, muted blue. In OKLCH its lightness is 56%, its chroma 0.046 and its hue 267°. Its hue sits on the cool side of the wheel. The nearest named color is Grey Blue (#647D8E), ΔE 0.030 away. White text reads best on it, at 4.74:1.
| Hue family | Blues |
| Lightness | medium-dark (56%) |
| Chroma | muted (0.046) |
| Temperature | cool |
| Nearest name | Grey Blue (#647D8E) |
| Black text | 4.42:1 |
| White text | 4.74:1 |
Values
| HEX | #67738F |
| RGB | rgb(103, 115, 143) |
| HSL | hsl(222, 16%, 48%) |
| OKLCH | oklch(55.6% 0.046 266.7) |
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 #67738F | 4.74:1 | AA | Lc -78.4 | Fine for body text |
| Black text on #67738F | 4.42:1 | AA large text | Lc 31.1 | Non-text elements, placeholder text |
| #67738F text on white | 4.74:1 | AA | Lc 72.9 | Content text, not long reading |
| #67738F text on black | 4.42:1 | AA large text | Lc -28.7 | Dividers and decoration only |
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 600.
-
Step 50
50
#F4F5F7
oklch(97% 0.003 264.5)
-
Step 100
100
#E8EAEE
oklch(93.7% 0.006 264.5)
-
Step 200
200
#D6D9E1
oklch(88.5% 0.011 269.5)
-
Step 300
300
#BAC1CE
oklch(80.9% 0.02 263)
-
Step 400
400
#97A1B6
oklch(70.8% 0.033 265.2)
-
Step 500
500
#7E89A4
oklch(63.1% 0.043 267.7)
-
Step 600
600 (this color)
#67738F
oklch(55.6% 0.046 266.7)
-
Step 700
700
#56607A
oklch(49.1% 0.044 268.4)
-
Step 800
800
#464F63
oklch(42.8% 0.035 265.9)
-
Step 900
900
#3B4151
oklch(37.6% 0.029 268.9)
-
Step 950
950
#22262F
oklch(26.9% 0.018 266.3)
#67738F 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) | #6A7590 | 0.008 |
| Deuteranopia (no green cones) | #67718E | 0.006 |
| Tritanopia (no blue cones) | #5C787C | 0.041 |
| Achromatopsia (no color) | #737373 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #67738F
#67738F
oklch(55.6% 0.046 266.7)
- #7F7254
#7F7254
oklch(55.6% 0.046 87.3)
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 #67738F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grey Blue #647D8E ΔE 0.030
- Metallic Blue #4F738E ΔE 0.031
- Battleship Gray #6C757D ΔE 0.031
- Stormy Blue #507B9C ΔE 0.035
- Battleship Grey #6B7C85 ΔE 0.036
- Dull Blue #49759C ΔE 0.040
- Slate Gray #708090 ΔE 0.041
- Grey Purple #826D8C ΔE 0.042
Use #67738F 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.