#45999F
Closest named color: Sea (#3C9992). oklch(63.4% 0.081 201.7), rgb(69, 153, 159).
Aa
Black text reads best on this color (6.31:1).
About this color
#45999F is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 63%, its chroma 0.081 and its hue 202°. Its hue sits on the cool side of the wheel. The nearest named color is Sea (#3C9992), ΔE 0.022 away. Black text reads best on it, at 6.31:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (63%) |
| Chroma | moderately saturated (0.081) |
| Temperature | cool |
| Nearest name | Sea (#3C9992) |
| Black text | 6.31:1 |
| White text | 3.32:1 |
Values
| HEX | #45999F |
| RGB | rgb(69, 153, 159) |
| HSL | hsl(184, 39%, 45%) |
| OKLCH | oklch(63.4% 0.081 201.7) |
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 #45999F | 3.32:1 | AA large text | Lc -65.9 | Content text, not long reading |
| Black text on #45999F | 6.31:1 | AA | Lc 43.6 | Non-text elements, placeholder text |
| #45999F text on white | 3.32:1 | AA large text | Lc 60.5 | Content text, not long reading |
| #45999F text on black | 6.31:1 | AA | Lc -41.2 | 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
#F2F7F7
oklch(97.2% 0.005 197.1)
-
Step 100
100
#E2ECED
oklch(93.6% 0.011 204.1)
-
Step 200
200
#C9DEDF
oklch(88.5% 0.022 200.2)
-
Step 300
300
#A4C9CB
oklch(81% 0.039 200.5)
-
Step 400
400
#6FADB1
oklch(70.7% 0.064 201)
-
Step 500
500 (this color)
#45999F
oklch(63.4% 0.081 201.7)
-
Step 600
600
#1B8289
oklch(55.5% 0.088 202)
-
Step 700
700
#066E74
oklch(49% 0.082 201.6)
-
Step 800
800
#0F5A5F
oklch(42.8% 0.068 201.9)
-
Step 900
900
#174A4D
oklch(37.7% 0.053 200.7)
-
Step 950
950
#102B2D
oklch(26.9% 0.033 201.9)
#45999F 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) | #8F93A0 | 0.083 |
| Deuteranopia (no green cones) | #80889F | 0.076 |
| Tritanopia (no blue cones) | #009E9B | 0.031 |
| Achromatopsia (no color) | #8D8D8D | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45999F
#45999F
oklch(63.4% 0.081 201.7)
- #B77674
#B77674
oklch(63.4% 0.082 21.6)
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 #45999F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea #3C9992 ΔE 0.022
- Cadet Blue #5F9EA0 ΔE 0.029
- Persian Green #2A9D8F ΔE 0.036
- Teal Green #0A9396 ΔE 0.038
- Grey Teal #5E9B8A ΔE 0.039
- Dull Teal #5F9E8F ΔE 0.039
- Dusty Teal #4C9085 ΔE 0.040
- Blue Green #0F9B8E ΔE 0.041
Use #45999F 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.