#40787A
Closest named color: Deep Aqua (#08787F). oklch(53.5% 0.059 198.6), rgb(64, 120, 122).
Aa
White text reads best on this color (5.01:1).
About this color
#40787A is a medium-dark, muted teal or cyan. In OKLCH its lightness is 54%, its chroma 0.059 and its hue 199°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Aqua (#08787F), ΔE 0.031 away. White text reads best on it, at 5.01:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (54%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Deep Aqua (#08787F) |
| Black text | 4.18:1 |
| White text | 5.01:1 |
Values
| HEX | #40787A |
| RGB | rgb(64, 120, 122) |
| HSL | hsl(182, 31%, 36%) |
| OKLCH | oklch(53.5% 0.059 198.6) |
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 #40787A | 5.01:1 | AA | Lc -80.0 | Fine for body text |
| Black text on #40787A | 4.18:1 | AA large text | Lc 29.5 | Dividers and decoration only |
| #40787A text on white | 5.01:1 | AA | Lc 74.6 | Content text, not long reading |
| #40787A text on black | 4.18:1 | AA large text | Lc -27.1 | 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
#F3F6F6
oklch(97.1% 0.003 197.1)
-
Step 100
100
#E4EBEC
oklch(93.5% 0.008 207.1)
-
Step 200
200
#CFDCDD
oklch(88.5% 0.014 202.4)
-
Step 300
300
#AEC6C7
oklch(80.9% 0.026 199.7)
-
Step 400
400
#82A9AA
oklch(70.7% 0.042 198.2)
-
Step 500
500
#619496
oklch(63.1% 0.055 199)
-
Step 600
600 (this color)
#40787A
oklch(53.5% 0.059 198.6)
-
Step 700
700
#376A6C
oklch(49% 0.055 198.8)
-
Step 800
800
#2E5758
oklch(42.7% 0.046 197.6)
-
Step 900
900
#2A4749
oklch(37.6% 0.035 201.4)
-
Step 950
950
#192A2A
oklch(27% 0.023 195.9)
#40787A 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) | #71737A | 0.061 |
| Deuteranopia (no green cones) | #676C7A | 0.056 |
| Tritanopia (no blue cones) | #217B78 | 0.024 |
| Achromatopsia (no color) | #6F6F6F | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #40787A
#40787A
oklch(53.5% 0.059 198.6)
- #8D5F60
#8D5F60
oklch(53.5% 0.06 17.8)
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 #40787A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Aqua #08787F ΔE 0.031
- Bluegreen #017A79 ΔE 0.033
- Teal #008080 ΔE 0.035
- Deep Turquoise #017374 ΔE 0.041
- Dark Aquamarine #017371 ΔE 0.043
- Metallic Blue #4F738E ΔE 0.044
- Ocean #017B92 ΔE 0.044
- Battleship Gray #6C757D ΔE 0.054
Use #40787A 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.