#615533
Closest named color: Olive Brown (#645403). oklch(45.3% 0.053 90.7), rgb(97, 85, 51).
Aa
White text reads best on this color (7.35:1).
About this color
#615533 is a medium-dark, muted brown. In OKLCH its lightness is 45%, its chroma 0.053 and its hue 91°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.039 away. White text reads best on it, at 7.35:1.
| Hue family | Browns |
| Lightness | medium-dark (45%) |
| Chroma | muted (0.053) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.85:1 |
| White text | 7.35:1 |
Values
| HEX | #615533 |
| RGB | rgb(97, 85, 51) |
| HSL | hsl(44, 31%, 29%) |
| OKLCH | oklch(45.3% 0.053 90.7) |
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 #615533 | 7.35:1 | AAA | Lc -90.4 | Preferred for body text |
| Black text on #615533 | 2.85:1 | Fails | Lc 18.5 | Dividers and decoration only |
| #615533 text on white | 7.35:1 | AAA | Lc 85.5 | Fine for body text |
| #615533 text on black | 2.85:1 | Fails | Lc -16.5 | 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 800.
-
Step 50
50
#F6F5F2
oklch(97% 0.004 91.4)
-
Step 100
100
#ECEAE3
oklch(93.7% 0.01 93.6)
-
Step 200
200
#DDD9CD
oklch(88.5% 0.017 91.6)
-
Step 300
300
#C8C0AB
oklch(80.9% 0.03 89.6)
-
Step 400
400
#ACA07E
oklch(70.7% 0.049 90.9)
-
Step 500
500
#98885D
oklch(63% 0.063 89.9)
-
Step 600
600
#827243
oklch(55.6% 0.068 91.2)
-
Step 700
700
#6E5F35
oklch(49% 0.063 90.3)
-
Step 800
800 (this color)
#615533
oklch(45.3% 0.053 90.7)
-
Step 900
900
#4A4128
oklch(37.8% 0.041 90.4)
-
Step 950
950
#2B2618
oklch(27% 0.025 90.7)
#615533 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) | #5C5430 | 0.010 |
| Deuteranopia (no green cones) | #5F5734 | 0.006 |
| Tritanopia (no blue cones) | #68504D | 0.048 |
| Achromatopsia (no color) | #565656 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #615533
#615533
oklch(45.3% 0.053 90.7)
- #4B5574
#4B5574
oklch(45.4% 0.052 270.4)
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 #615533, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.039
- Mud Brown #60460F ΔE 0.048
- Mud #735C12 ΔE 0.051
- Green Brown #544E03 ΔE 0.052
- Milk Chocolate #7F4E1E ΔE 0.055
- Medium Brown #7F5112 ΔE 0.056
- Greeny Brown #696006 ΔE 0.058
- Army Green #4B5D16 ΔE 0.059
Use #615533 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.