#345A53
Closest named color: Dark Green Blue (#1F6357). oklch(43.7% 0.045 181), rgb(52, 90, 83).
Aa
White text reads best on this color (7.68:1).
About this color
#345A53 is a dark, muted teal or cyan. In OKLCH its lightness is 44%, its chroma 0.045 and its hue 181°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.030 away. White text reads best on it, at 7.68:1.
| Hue family | Teals and cyans |
| Lightness | dark (44%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.73:1 |
| White text | 7.68:1 |
Values
| HEX | #345A53 |
| RGB | rgb(52, 90, 83) |
| HSL | hsl(169, 27%, 28%) |
| OKLCH | oklch(43.7% 0.045 181) |
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 #345A53 | 7.68:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #345A53 | 2.73:1 | Fails | Lc 17.4 | Dividers and decoration only |
| #345A53 text on white | 7.68:1 | AAA | Lc 86.6 | Fine for body text |
| #345A53 text on black | 2.73:1 | Fails | Lc -15.5 | 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
#F3F6F5
oklch(97.1% 0.003 174.5)
-
Step 100
100
#E5ECEA
oklch(93.7% 0.008 177.3)
-
Step 200
200
#CFDCD9
oklch(88.4% 0.015 180.7)
-
Step 300
300
#AFC7C1
oklch(81% 0.027 178.9)
-
Step 400
400
#84AAA2
oklch(70.8% 0.043 180.7)
-
Step 500
500
#64958B
oklch(63.2% 0.055 180.2)
-
Step 600
600
#4A7F75
oklch(55.6% 0.059 180.6)
-
Step 700
700
#3B6B62
oklch(49.1% 0.055 180.5)
-
Step 800
800 (this color)
#345A53
oklch(43.7% 0.045 181)
-
Step 900
900
#2C4843
oklch(37.8% 0.035 181.9)
-
Step 950
950
#1A2A27
oklch(27% 0.022 181.6)
#345A53 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) | #575653 | 0.048 |
| Deuteranopia (no green cones) | #505154 | 0.046 |
| Tritanopia (no blue cones) | #265B58 | 0.014 |
| Achromatopsia (no color) | #535353 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #345A53
#345A53
oklch(43.7% 0.045 181)
- #674750
#674750
oklch(43.6% 0.046 0.7)
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 #345A53, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.030
- Dark Slate Gray #2F4F4F ΔE 0.036
- Deep Teal #00555A ΔE 0.042
- Petrol #005F6A ΔE 0.043
- Dark Blue Green #005249 ΔE 0.050
- Dark Aqua #05696B ΔE 0.052
- Pine #2B5D34 ΔE 0.054
- Dark Teal #014D4E ΔE 0.061
Use #345A53 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.